572047440 has 160 divisors (see below), whose sum is σ = 1877260800. Its totient is φ = 143700480.

The previous prime is 572047409. The next prime is 572047493. The reversal of 572047440 is 44740275.

It is a super-2 number, since 2×572047440² = 654476547221107200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1509171 + ... + 1509549.

It is an arithmetic number, because the mean of its divisors is an integer number (11732880).

Almost surely, 2^572047440 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 572047440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (938630400).

572047440 is an abundant number, since it is smaller than the sum of its proper divisors (1305213360).

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

572047440 is a wasteful number, since it uses less digits than its factorization.

572047440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745 (or 739 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 572047440 is about 23917.5132486636. The cubic root of 572047440 is about 830.1259981942.

The spelling of 572047440 in words is "five hundred seventy-two million, forty-seven thousand, four hundred forty".