51440262204236 has 12 divisors (see below), whose sum is σ = 90020527822680. Its totient is φ = 25720111397760.

The previous prime is 51440262204209. The next prime is 51440262204251. The reversal of 51440262204236 is 63240226204415.

It is a super-2 number, since 2×51440262204236² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51440262204193 and 51440262204202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2043371 + ... + 10346781.

It is an arithmetic number, because the mean of its divisors is an integer number (7501710651890).

Almost surely, 2^{51440262204236} is an apocalyptic number.

It is an amenable number.

51440262204236 is a deficient number, since it is larger than the sum of its proper divisors (38580265618444).

51440262204236 is a wasteful number, since it uses less digits than its factorization.

51440262204236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9852184 (or 9852182 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 51440262204236 in words is "fifty-one trillion, four hundred forty billion, two hundred sixty-two million, two hundred four thousand, two hundred thirty-six".