2520855004400 has 60 divisors (see below), whose sum is σ = 6204070143264. Its totient is φ = 983748288000.

The previous prime is 2520855004387. The next prime is 2520855004429. The reversal of 2520855004400 is 44005580252.

2520855004400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76838936 + ... + 76871735.

Almost surely, 2^{2520855004400} is an apocalyptic number.

2520855004400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2520855004400 is an abundant number, since it is smaller than the sum of its proper divisors (3683215138864).

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

2520855004400 is a wasteful number, since it uses less digits than its factorization.

2520855004400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153710730 (or 153710719 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

The spelling of 2520855004400 in words is "two trillion, five hundred twenty billion, eight hundred fifty-five million, four thousand, four hundred".