572691240 has 384 divisors, whose sum is σ = 2207761920. Its totient is φ = 127180800.

The previous prime is 572691211. The next prime is 572691289. The reversal of 572691240 is 42196275.

572691240 is a `hidden beast` number, since 572 + 69 + 1 + 24 + 0 = 666.

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 = 572691195 and 572691204.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3163950 + ... + 3164130.

It is an arithmetic number, because the mean of its divisors is an integer number (5749380).

Almost surely, 2^572691240 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 572691240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1103880960).

572691240 is an abundant number, since it is smaller than the sum of its proper divisors (1635070680).

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

572691240 is a wasteful number, since it uses less digits than its factorization.

572691240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 572691240 is about 23930.9682211147. The cubic root of 572691240 is about 830.4372979895.

The spelling of 572691240 in words is "five hundred seventy-two million, six hundred ninety-one thousand, two hundred forty".