3180155472 has 240 divisors, whose sum is σ = 10124262720. Its totient is φ = 954809856.

The previous prime is 3180155423. The next prime is 3180155477. The reversal of 3180155472 is 2745510813.

3180155472 is a `hidden beast` number, since 3 + 180 + 1 + 5 + 5 + 472 = 666.

It is a super-2 number, since 2×3180155472² = 20226777652183085568, which contains 22 as substring.

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 (3180155477) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3138838 + ... + 3139850.

It is an arithmetic number, because the mean of its divisors is an integer number (42184428).

Almost surely, 2^3180155472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3180155472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5062131360).

3180155472 is an abundant number, since it is smaller than the sum of its proper divisors (6944107248).

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

3180155472 is a wasteful number, since it uses less digits than its factorization.

3180155472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 3180155472 is about 56392.8672085398. The cubic root of 3180155472 is about 1470.5601197428.

The spelling of 3180155472 in words is "three billion, one hundred eighty million, one hundred fifty-five thousand, four hundred seventy-two".