51514442144 has 48 divisors (see below), whose sum is σ = 111212377920. Its totient is φ = 23294300160.

The previous prime is 51514442137. The next prime is 51514442179. The reversal of 51514442144 is 44124441515.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311204 + ... + 447075.

It is an arithmetic number, because the mean of its divisors is an integer number (2316924540).

Almost surely, 2^51514442144 is an apocalyptic number.

It is an amenable number.

51514442144 is an abundant number, since it is smaller than the sum of its proper divisors (59697935776).

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

51514442144 is a wasteful number, since it uses less digits than its factorization.

51514442144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758493 (or 758485 counting only the distinct ones).

The product of its digits is 51200, while the sum is 35.

Adding to 51514442144 its reverse (44124441515), we get a palindrome (95638883659).

The spelling of 51514442144 in words is "fifty-one billion, five hundred fourteen million, four hundred forty-two thousand, one hundred forty-four".