1390449104970 has 32 divisors (see below), whose sum is σ = 3408079511808. Its totient is φ = 362897354688.

The previous prime is 1390449104951. The next prime is 1390449105049. The reversal of 1390449104970 is 794019440931.

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, 493065649 + ... + 493068468.

It is an arithmetic number, because the mean of its divisors is an integer number (106502484744).

Almost surely, 2^{1390449104970} is an apocalyptic number.

1390449104970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1390449104970 is an abundant number, since it is smaller than the sum of its proper divisors (2017630406838).

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

1390449104970 is a wasteful number, since it uses less digits than its factorization.

1390449104970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986134174.

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 1390449104970 in words is "one trillion, three hundred ninety billion, four hundred forty-nine million, one hundred four thousand, nine hundred seventy".