251034544232140 has 12 divisors (see below), whose sum is σ = 527172542887536. Its totient is φ = 100413817692848.

The previous prime is 251034544232117. The next prime is 251034544232161. The reversal of 251034544232140 is 41232445430152.

It is a junction number, because it is equal to n+sod(n) for n = 251034544232093 and 251034544232102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6275863605784 + ... + 6275863605823.

It is an arithmetic number, because the mean of its divisors is an integer number (43931045240628).

Almost surely, 2^{251034544232140} is an apocalyptic number.

251034544232140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

251034544232140 is an abundant number, since it is smaller than the sum of its proper divisors (276137998655396).

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

251034544232140 is a wasteful number, since it uses less digits than its factorization.

251034544232140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12551727211616 (or 12551727211614 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 251034544232140 its reverse (41232445430152), we get a palindrome (292266989662292).

The spelling of 251034544232140 in words is "two hundred fifty-one trillion, thirty-four billion, five hundred forty-four million, two hundred thirty-two thousand, one hundred forty".