251453022332 has 12 divisors (see below), whose sum is σ = 440052296880. Its totient is φ = 125723794656.

The previous prime is 251453022319. The next prime is 251453022341. The reversal of 251453022332 is 233220354152.

It is a congruent number.

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, 463232 + ... + 847047.

It is an arithmetic number, because the mean of its divisors is an integer number (36671024740).

Almost surely, 2^251453022332 is an apocalyptic number.

It is an amenable number.

251453022332 is a deficient number, since it is larger than the sum of its proper divisors (188599274548).

251453022332 is a wasteful number, since it uses less digits than its factorization.

251453022332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358260 (or 1358258 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 251453022332 its reverse (233220354152), we get a palindrome (484673376484).

The spelling of 251453022332 in words is "two hundred fifty-one billion, four hundred fifty-three million, twenty-two thousand, three hundred thirty-two".