1623132288 has 72 divisors (see below), whose sum is σ = 4674670455. Its totient is φ = 540588288.

The previous prime is 1623132283. The next prime is 1623132299. The reversal of 1623132288 is 8822313261.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

1623132288 is a `hidden beast` number, since 1 + 62 + 313 + 2 + 288 = 666.

It can be written as a sum of positive squares in only one way, i.e., 811566144 + 811566144 = 28488^2 + 28488^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=28488.

It is a super-2 number, since 2×1623132288² = 5269116848696229888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1623132283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1366831 + ... + 1368017.

Almost surely, 2^1623132288 is an apocalyptic number.

1623132288 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1623132288

1623132288 is an abundant number, since it is smaller than the sum of its proper divisors (3051538167).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1623132288 is an frugal number, since it uses more digits than its factorization.

1623132288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394 (or 1192 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 1623132288 is about 40288.1159648847. The cubic root of 1623132288 is about 1175.2167490291.

The spelling of 1623132288 in words is "one billion, six hundred twenty-three million, one hundred thirty-two thousand, two hundred eighty-eight".