2551022231400 has 144 divisors (see below), whose sum is σ = 8567949904800. Its totient is φ = 680211699840.

The previous prime is 2551022231399. The next prime is 2551022231467. The reversal of 2551022231400 is 41322201552.

2551022231400 is a `hidden beast` number, since 2 + 5 + 5 + 1 + 0 + 22 + 231 + 400 = 666.

2551022231400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22224957 + ... + 22339443.

Almost surely, 2^{2551022231400} is an apocalyptic number.

2551022231400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2551022231400 is an abundant number, since it is smaller than the sum of its proper divisors (6016927673400).

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

2551022231400 is a wasteful number, since it uses less digits than its factorization.

2551022231400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126888 (or 126876 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 2551022231400 its reverse (41322201552), we get a palindrome (2592344432952).

The spelling of 2551022231400 in words is "two trillion, five hundred fifty-one billion, twenty-two million, two hundred thirty-one thousand, four hundred".