1372634779400 has 24 divisors (see below), whose sum is σ = 3191375862570. Its totient is φ = 549053911680.

The previous prime is 1372634779361. The next prime is 1372634779427. The reversal of 1372634779400 is 49774362731.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 538265799556 + 834368979844 = 733666^2 + 913438^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3431586749 + ... + 3431587148.

Almost surely, 2^{1372634779400} is an apocalyptic number.

1372634779400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1372634779400 is an abundant number, since it is smaller than the sum of its proper divisors (1818741083170).

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

1372634779400 is a wasteful number, since it uses less digits than its factorization.

1372634779400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6863173913 (or 6863173904 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 53.

The spelling of 1372634779400 in words is "one trillion, three hundred seventy-two billion, six hundred thirty-four million, seven hundred seventy-nine thousand, four hundred".