1472264388 has 90 divisors (see below), whose sum is σ = 4341813294. Its totient is φ = 420622272.

The previous prime is 1472264383. The next prime is 1472264393. The reversal of 1472264388 is 8834622741.

It is a happy number.

1472264388 is a `hidden beast` number, since 1 + 4 + 7 + 2 + 264 + 388 = 666.

It is an interprime number because it is at equal distance from previous prime (1472264383) and next prime (1472264393).

It can be written as a sum of positive squares in only one way, i.e., 1084253184 + 388011204 = 32928^2 + 19698^2 .

It is not an unprimeable number, because it can be changed into a prime (1472264383) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 77920 + ... + 94952.

Almost surely, 2^1472264388 is an apocalyptic number.

1472264388 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 1472264388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2170906647).

1472264388 is an abundant number, since it is smaller than the sum of its proper divisors (2869548906).

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

1472264388 is a wasteful number, since it uses less digits than its factorization.

1472264388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17071 (or 17045 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 1472264388 is about 38370.0975761074. The cubic root of 1472264388 is about 1137.6148933258.

The spelling of 1472264388 in words is "one billion, four hundred seventy-two million, two hundred sixty-four thousand, three hundred eighty-eight".