1276252650264 has 32 divisors (see below), whose sum is σ = 3276864915120. Its totient is φ = 413919778176.

The previous prime is 1276252650259. The next prime is 1276252650271. The reversal of 1276252650264 is 4620562526721.

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, 718609839 + ... + 718611614.

Almost surely, 2^{1276252650264} is an apocalyptic number.

It is an amenable number.

1276252650264 is an abundant number, since it is smaller than the sum of its proper divisors (2000612264856).

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

1276252650264 is a wasteful number, since it uses less digits than its factorization.

1276252650264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437221499 (or 1437221495 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 1276252650264 in words is "one trillion, two hundred seventy-six billion, two hundred fifty-two million, six hundred fifty thousand, two hundred sixty-four".