2572788899520 has 1792 divisors, whose sum is σ = 11190734438400. Its totient is φ = 550242201600.

The previous prime is 2572788899491. The next prime is 2572788899531. The reversal of 2572788899520 is 259988872752.

2572788899520 is a `hidden beast` number, since 2 + 5 + 7 + 2 + 7 + 8 + 8 + 8 + 99 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 12193312215 + ... + 12193312425.

Almost surely, 2^{2572788899520} is an apocalyptic number.

2572788899520 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 2572788899520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5595367219200).

2572788899520 is an abundant number, since it is smaller than the sum of its proper divisors (8617945538880).

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

2572788899520 is a wasteful number, since it uses less digits than its factorization.

2572788899520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 406425600, while the sum is 72.

The spelling of 2572788899520 in words is "two trillion, five hundred seventy-two billion, seven hundred eighty-eight million, eight hundred ninety-nine thousand, five hundred twenty".