1276458146796 has 48 divisors (see below), whose sum is σ = 3461581428480. Its totient is φ = 358520930880.

The previous prime is 1276458146779. The next prime is 1276458146809. The reversal of 1276458146796 is 6976418546721.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128774115 + ... + 128784026.

It is an arithmetic number, because the mean of its divisors is an integer number (72116279760).

Almost surely, 2^{1276458146796} is an apocalyptic number.

It is an amenable number.

1276458146796 is an abundant number, since it is smaller than the sum of its proper divisors (2185123281684).

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

1276458146796 is a wasteful number, since it uses less digits than its factorization.

1276458146796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257558214 (or 257558212 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 66.

The spelling of 1276458146796 in words is "one trillion, two hundred seventy-six billion, four hundred fifty-eight million, one hundred forty-six thousand, seven hundred ninety-six".