572473440 has 384 divisors, whose sum is σ = 2499517440. Its totient is φ = 118886400.

The previous prime is 572473423. The next prime is 572473457. The reversal of 572473440 is 44374275.

572473440 is a `hidden beast` number, since 572 + 47 + 3 + 4 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (572473423) and next prime (572473457).

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

It is a junction number, because it is equal to n+sod(n) for n = 572473395 and 572473404.

It is a congruent number.

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, 331780 + ... + 333500.

It is an arithmetic number, because the mean of its divisors is an integer number (6509160).

Almost surely, 2^572473440 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 572473440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1249758720).

572473440 is an abundant number, since it is smaller than the sum of its proper divisors (1927044000).

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

572473440 is a wasteful number, since it uses less digits than its factorization.

572473440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763 (or 1749 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 36.

The square root of 572473440 is about 23926.4171994053. The cubic root of 572473440 is about 830.3320102041.

The spelling of 572473440 in words is "five hundred seventy-two million, four hundred seventy-three thousand, four hundred forty".