51216762414 has 48 divisors (see below), whose sum is σ = 107725863168. Its totient is φ = 16224431328.

The previous prime is 51216762413. The next prime is 51216762431. The reversal of 51216762414 is 41426761215.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51216762413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 280699 + ... + 425705.

It is an arithmetic number, because the mean of its divisors is an integer number (2244288816).

Almost surely, 2^51216762414 is an apocalyptic number.

51216762414 is an abundant number, since it is smaller than the sum of its proper divisors (56509100754).

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

51216762414 is a wasteful number, since it uses less digits than its factorization.

51216762414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145129 (or 145092 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The spelling of 51216762414 in words is "fifty-one billion, two hundred sixteen million, seven hundred sixty-two thousand, four hundred fourteen".