51346322436 has 24 divisors (see below), whose sum is σ = 126855620640. Its totient is φ = 16108650112.

The previous prime is 51346322429. The next prime is 51346322581. The reversal of 51346322436 is 63422364315.

51346322436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51346322394 and 51346322403.

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, 125848626 + ... + 125849033.

It is an arithmetic number, because the mean of its divisors is an integer number (5285650860).

Almost surely, 2^51346322436 is an apocalyptic number.

It is an amenable number.

51346322436 is an abundant number, since it is smaller than the sum of its proper divisors (75509298204).

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

51346322436 is a wasteful number, since it uses less digits than its factorization.

51346322436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251697683 (or 251697681 counting only the distinct ones).

The product of its digits is 311040, while the sum is 39.

The spelling of 51346322436 in words is "fifty-one billion, three hundred forty-six million, three hundred twenty-two thousand, four hundred thirty-six".