2572391520 has 240 divisors, whose sum is σ = 9206144640. Its totient is φ = 676325376.

The previous prime is 2572391483. The next prime is 2572391543. The reversal of 2572391520 is 251932752.

2572391520 is a `hidden beast` number, since 2 + 572 + 39 + 1 + 52 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 944721 + ... + 947439.

It is an arithmetic number, because the mean of its divisors is an integer number (38358936).

Almost surely, 2^2572391520 is an apocalyptic number.

2572391520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2572391520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4603072320).

2572391520 is an abundant number, since it is smaller than the sum of its proper divisors (6633753120).

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

2572391520 is a wasteful number, since it uses less digits than its factorization.

2572391520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819 (or 2802 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 2572391520 is about 50718.7491959335. The cubic root of 2572391520 is about 1370.1844140548.

The spelling of 2572391520 in words is "two billion, five hundred seventy-two million, three hundred ninety-one thousand, five hundred twenty".