1416215988 has 120 divisors (see below), whose sum is σ = 4066169184. Its totient is φ = 426254400.

The previous prime is 1416215981. The next prime is 1416216001. The reversal of 1416215988 is 8895126141.

It is a happy number.

1416215988 is a `hidden beast` number, since 1 + 416 + 2 + 159 + 88 = 666.

It is a super-2 number, since 2×1416215988² = 4011335449333632288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1416215981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 558283 + ... + 560813.

Almost surely, 2^1416215988 is an apocalyptic number.

1416215988 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 1416215988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2033084592).

1416215988 is an abundant number, since it is smaller than the sum of its proper divisors (2649953196).

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

1416215988 is a wasteful number, since it uses less digits than its factorization.

1416215988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715 (or 2704 counting only the distinct ones).

The product of its digits is 138240, while the sum is 45.

The square root of 1416215988 is about 37632.6452431928. The cubic root of 1416215988 is about 1122.9915738889.

The spelling of 1416215988 in words is "one billion, four hundred sixteen million, two hundred fifteen thousand, nine hundred eighty-eight".