51040212324 has 24 divisors (see below), whose sum is σ = 119201248320. Its totient is φ = 16998058464.

The previous prime is 51040212253. The next prime is 51040212347. The reversal of 51040212324 is 42321204015.

It is a junction number, because it is equal to n+sod(n) for n = 51040212294 and 51040212303.

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, 1904344 + ... + 1930959.

It is an arithmetic number, because the mean of its divisors is an integer number (4966718680).

Almost surely, 2^51040212324 is an apocalyptic number.

It is an amenable number.

51040212324 is an abundant number, since it is smaller than the sum of its proper divisors (68161035996).

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

51040212324 is a wasteful number, since it uses less digits than its factorization.

51040212324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3836419 (or 3836417 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 51040212324 its reverse (42321204015), we get a palindrome (93361416339).

The spelling of 51040212324 in words is "fifty-one billion, forty million, two hundred twelve thousand, three hundred twenty-four".