276640635356 has 24 divisors (see below), whose sum is σ = 487563897744. Its totient is φ = 137338312320.

The previous prime is 276640635343. The next prime is 276640635371. The reversal of 276640635356 is 653536046672.

It is a super-2 number, since 2×276640635356² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 276640635298 and 276640635307.

It is a congruent number.

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, 468146 + ... + 878886.

It is an arithmetic number, because the mean of its divisors is an integer number (20315162406).

Almost surely, 2^276640635356 is an apocalyptic number.

It is an amenable number.

276640635356 is a deficient number, since it is larger than the sum of its proper divisors (210923262388).

276640635356 is a wasteful number, since it uses less digits than its factorization.

276640635356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411941 (or 411939 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 53.

The spelling of 276640635356 in words is "two hundred seventy-six billion, six hundred forty million, six hundred thirty-five thousand, three hundred fifty-six".