572155920 has 320 divisors, whose sum is σ = 2285568000. Its totient is φ = 128853504.

The previous prime is 572155907. The next prime is 572155963. The reversal of 572155920 is 29551275.

572155920 is a `hidden beast` number, since 57 + 2 + 15 + 592 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1194241 + ... + 1194719.

It is an arithmetic number, because the mean of its divisors is an integer number (7142400).

Almost surely, 2^572155920 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 572155920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1142784000).

572155920 is an abundant number, since it is smaller than the sum of its proper divisors (1713412080).

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

572155920 is a wasteful number, since it uses less digits than its factorization.

572155920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 572155920 is about 23919.7809354517. The cubic root of 572155920 is about 830.1784684209.

The spelling of 572155920 in words is "five hundred seventy-two million, one hundred fifty-five thousand, nine hundred twenty".