51232014405 has 96 divisors (see below), whose sum is σ = 108191341440. Its totient is φ = 22928935680.

The previous prime is 51232014347. The next prime is 51232014413. The reversal of 51232014405 is 50441023215.

51232014405 is a `hidden beast` number, since 5 + 12 + 3 + 201 + 440 + 5 = 666.

It is not a de Polignac number, because 51232014405 - 2⁷ = 51232014277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26311 + ... + 321179.

It is an arithmetic number, because the mean of its divisors is an integer number (1126993140).

Almost surely, 2^51232014405 is an apocalyptic number.

51232014405 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51232014405 is an abundant number, since it is smaller than the sum of its proper divisors (56959327035).

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

51232014405 is a wasteful number, since it uses less digits than its factorization.

51232014405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294913 (or 294901 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 51232014405 in words is "fifty-one billion, two hundred thirty-two million, fourteen thousand, four hundred five".