1276255416432 has 40 divisors (see below), whose sum is σ = 3297151718784. Its totient is φ = 425398012864.

The previous prime is 1276255416409. The next prime is 1276255416467. The reversal of 1276255416432 is 2346145526721.

It is a happy number.

It is a super-2 number, since 2×1276255416432² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 386083 + ... + 1643645.

Almost surely, 2^{1276255416432} is an apocalyptic number.

1276255416432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1276255416432 is an abundant number, since it is smaller than the sum of its proper divisors (2020896302352).

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

1276255416432 is a wasteful number, since it uses less digits than its factorization.

1276255416432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278717 (or 1278711 counting only the distinct ones).

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

The spelling of 1276255416432 in words is "one trillion, two hundred seventy-six billion, two hundred fifty-five million, four hundred sixteen thousand, four hundred thirty-two".