51470075244 has 24 divisors (see below), whose sum is σ = 137253534208. Its totient is φ = 14705735760.

The previous prime is 51470075243. The next prime is 51470075269. The reversal of 51470075244 is 44257007415.

It is not an unprimeable number, because it can be changed into a prime (51470075243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306369412 + ... + 306369579.

Almost surely, 2^51470075244 is an apocalyptic number.

It is an amenable number.

51470075244 is an abundant number, since it is smaller than the sum of its proper divisors (85783458964).

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

51470075244 is a wasteful number, since it uses less digits than its factorization.

51470075244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612739005 (or 612739003 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 39.

The spelling of 51470075244 in words is "fifty-one billion, four hundred seventy million, seventy-five thousand, two hundred forty-four".