1404880786985 has 24 divisors (see below), whose sum is σ = 1852760280960. Its totient is φ = 1021966051392.

The previous prime is 1404880786877. The next prime is 1404880786999. The reversal of 1404880786985 is 5896870884041.

It is a de Polignac number, because none of the positive numbers 2^k-1404880786985 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12350705 + ... + 12463934.

It is an arithmetic number, because the mean of its divisors is an integer number (77198345040).

Almost surely, 2^{1404880786985} is an apocalyptic number.

It is an amenable number.

1404880786985 is a deficient number, since it is larger than the sum of its proper divisors (447879493975).

1404880786985 is a wasteful number, since it uses less digits than its factorization.

1404880786985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24814737 (or 24814724 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 68.

The spelling of 1404880786985 in words is "one trillion, four hundred four billion, eight hundred eighty million, seven hundred eighty-six thousand, nine hundred eighty-five".