2572305408 has 132 divisors (see below), whose sum is σ = 7601378928. Its totient is φ = 837365760.

The previous prime is 2572305397. The next prime is 2572305409. The reversal of 2572305408 is 8045032752.

2572305408 is a `hidden beast` number, since 2 + 572 + 30 + 54 + 0 + 8 = 666.

It is a super-2 number, since 2×2572305408² = 13233510224052092928, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (2572305409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 393043 + ... + 399533.

It is an arithmetic number, because the mean of its divisors is an integer number (57586204).

Almost surely, 2^2572305408 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 2572305408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3800689464).

2572305408 is an abundant number, since it is smaller than the sum of its proper divisors (5029073520).

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

2572305408 is a wasteful number, since it uses less digits than its factorization.

2572305408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6560 (or 6539 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 2572305408 is about 50717.9002719947. The cubic root of 2572305408 is about 1370.1691246978.

The spelling of 2572305408 in words is "two billion, five hundred seventy-two million, three hundred five thousand, four hundred eight".