51602267338 has 24 divisors (see below), whose sum is σ = 80339998284. Its totient is φ = 24855120000.

The previous prime is 51602267323. The next prime is 51602267351. The reversal of 51602267338 is 83376220615.

It can be written as a sum of positive squares in 6 ways, for example, as 50869644849 + 732622489 = 225543^2 + 27067^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51602267294 and 51602267303.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183238 + ... + 369838.

Almost surely, 2^51602267338 is an apocalyptic number.

51602267338 is a deficient number, since it is larger than the sum of its proper divisors (28737730946).

51602267338 is a wasteful number, since it uses less digits than its factorization.

51602267338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186778 (or 186741 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 51602267338 in words is "fifty-one billion, six hundred two million, two hundred sixty-seven thousand, three hundred thirty-eight".