3155023872 has 960 divisors, whose sum is σ = 13318905600. Its totient is φ = 716636160.

The previous prime is 3155023831. The next prime is 3155023877. The reversal of 3155023872 is 2783205513.

It is a happy number.

3155023872 is a `hidden beast` number, since 3 + 1 + 550 + 2 + 38 + 72 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3155023877) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 166053879 + ... + 166053897.

It is an arithmetic number, because the mean of its divisors is an integer number (13873860).

Almost surely, 2^3155023872 is an apocalyptic number.

3155023872 is a gapful number since it is divisible by the number (32) 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 3155023872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6659452800).

3155023872 is an abundant number, since it is smaller than the sum of its proper divisors (10163881728).

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

3155023872 is a wasteful number, since it uses less digits than its factorization.

3155023872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 3155023872 is about 56169.5991796274. The cubic root of 3155023872 is about 1466.6761049898.

The spelling of 3155023872 in words is "three billion, one hundred fifty-five million, twenty-three thousand, eight hundred seventy-two".