251416326412 has 12 divisors (see below), whose sum is σ = 447435835560. Its totient is φ = 123577516256.

The previous prime is 251416326401. The next prime is 251416326431. The reversal of 251416326412 is 214623614152.

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, 532661473 + ... + 532661944.

It is an arithmetic number, because the mean of its divisors is an integer number (37286319630).

Almost surely, 2^251416326412 is an apocalyptic number.

It is an amenable number.

251416326412 is a deficient number, since it is larger than the sum of its proper divisors (196019509148).

251416326412 is a wasteful number, since it uses less digits than its factorization.

251416326412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065323480 (or 1065323478 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The spelling of 251416326412 in words is "two hundred fifty-one billion, four hundred sixteen million, three hundred twenty-six thousand, four hundred twelve".