572626840 has 64 divisors (see below), whose sum is σ = 1319081760. Its totient is φ = 223641600.

The previous prime is 572626783. The next prime is 572626841. The reversal of 572626840 is 48626275.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 572626793 and 572626802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572626841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544315 + ... + 545365.

Almost surely, 2^572626840 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 572626840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (659540880).

572626840 is an abundant number, since it is smaller than the sum of its proper divisors (746454920).

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

572626840 is a wasteful number, since it uses less digits than its factorization.

572626840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372 (or 1368 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 572626840 is about 23929.6226464188. The cubic root of 572626840 is about 830.4061688440.

The spelling of 572626840 in words is "five hundred seventy-two million, six hundred twenty-six thousand, eight hundred forty".