51013014140 has 48 divisors (see below), whose sum is σ = 116895623040. Its totient is φ = 18545513280.

The previous prime is 51013014127. The next prime is 51013014223. The reversal of 51013014140 is 4141031015.

It is a happy number.

It is a super-2 number, since 2×51013014140² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 915191 + ... + 969329.

It is an arithmetic number, because the mean of its divisors is an integer number (2435325480).

Almost surely, 2^51013014140 is an apocalyptic number.

It is an amenable number.

51013014140 is an abundant number, since it is smaller than the sum of its proper divisors (65882608900).

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

51013014140 is a wasteful number, since it uses less digits than its factorization.

51013014140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58442 (or 58440 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 51013014140 its reverse (4141031015), we get a palindrome (55154045155).

The spelling of 51013014140 in words is "fifty-one billion, thirteen million, fourteen thousand, one hundred forty".