1274399292402 has 12 divisors (see below), whose sum is σ = 2761198466910. Its totient is φ = 424799764128.

The previous prime is 1274399292379. The next prime is 1274399292433. The reversal of 1274399292402 is 2042929934721.

1274399292402 is a `hidden beast` number, since 1 + 2 + 7 + 4 + 399 + 2 + 9 + 240 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1243896320601 + 30502971801 = 1115301^2 + 174651^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35399980327 + ... + 35399980362.

Almost surely, 2^{1274399292402} is an apocalyptic number.

1274399292402 is an abundant number, since it is smaller than the sum of its proper divisors (1486799174508).

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

1274399292402 is a wasteful number, since it uses less digits than its factorization.

1274399292402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70799960697 (or 70799960694 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 1274399292402 in words is "one trillion, two hundred seventy-four billion, three hundred ninety-nine million, two hundred ninety-two thousand, four hundred two".