2551484603400 has 48 divisors (see below), whose sum is σ = 7909602272400. Its totient is φ = 680395894080.

The previous prime is 2551484603341. The next prime is 2551484603407. The reversal of 2551484603400 is 43064841552.

It is not an unprimeable number, because it can be changed into a prime (2551484603407) 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, 2126236570 + ... + 2126237769.

It is an arithmetic number, because the mean of its divisors is an integer number (164783380675).

Almost surely, 2^{2551484603400} is an apocalyptic number.

2551484603400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2551484603400 is an abundant number, since it is smaller than the sum of its proper divisors (5358117669000).

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

2551484603400 is a wasteful number, since it uses less digits than its factorization.

2551484603400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252474358 (or 4252474349 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 2551484603400 in words is "two trillion, five hundred fifty-one billion, four hundred eighty-four million, six hundred three thousand, four hundred".