51140414984 has 8 divisors (see below), whose sum is σ = 95888278110. Its totient is φ = 25570207488.

The previous prime is 51140414947. The next prime is 51140414989. The reversal of 51140414984 is 48941404115.

It can be written as a sum of positive squares in only one way, i.e., 30656508100 + 20483906884 = 175090^2 + 143122^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (51140414989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3196275929 + ... + 3196275944.

Almost surely, 2^51140414984 is an apocalyptic number.

It is an amenable number.

51140414984 is a deficient number, since it is larger than the sum of its proper divisors (44747863126).

51140414984 is a wasteful number, since it uses less digits than its factorization.

51140414984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6392551879 (or 6392551875 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 51140414984 in words is "fifty-one billion, one hundred forty million, four hundred fourteen thousand, nine hundred eighty-four".