1376440949052 has 72 divisors (see below), whose sum is σ = 3747129639344. Its totient is φ = 423503168256.

The previous prime is 1376440948991. The next prime is 1376440949083. The reversal of 1376440949052 is 2509490446731.

1376440949052 is a `hidden beast` number, since 1 + 3 + 7 + 64 + 40 + 9 + 490 + 52 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1376440949052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16376928 + ... + 16460760.

Almost surely, 2^{1376440949052} is an apocalyptic number.

1376440949052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1376440949052 is an abundant number, since it is smaller than the sum of its proper divisors (2370688690292).

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

1376440949052 is a wasteful number, since it uses less digits than its factorization.

1376440949052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118939 (or 118934 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 1376440949052 in words is "one trillion, three hundred seventy-six billion, four hundred forty million, nine hundred forty-nine thousand, fifty-two".