1400690981904 has 80 divisors (see below), whose sum is σ = 3646802250432. Its totient is φ = 463248543744.

The previous prime is 1400690981869. The next prime is 1400690981959. The reversal of 1400690981904 is 4091890960041.

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 15 ways as a sum of consecutive naturals, for example, 4488684 + ... + 4790580.

Almost surely, 2^{1400690981904} is an apocalyptic number.

It is an amenable number.

1400690981904 is an abundant number, since it is smaller than the sum of its proper divisors (2246111268528).

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

1400690981904 is a wasteful number, since it uses less digits than its factorization.

1400690981904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302664 (or 302658 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 51.

The spelling of 1400690981904 in words is "one trillion, four hundred billion, six hundred ninety million, nine hundred eighty-one thousand, nine hundred four".