840474954975 has 12 divisors (see below), whose sum is σ = 1389585259016. Its totient is φ = 448253309280.

The previous prime is 840474954967. The next prime is 840474955003. The reversal of 840474954975 is 579459474048.

840474954975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 840474954975 - 2³ = 840474954967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5603166292 + ... + 5603166441.

Almost surely, 2^840474954975 is an apocalyptic number.

840474954975 is a deficient number, since it is larger than the sum of its proper divisors (549110304041).

840474954975 is a wasteful number, since it uses less digits than its factorization.

840474954975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11206332746 (or 11206332741 counting only the distinct ones).

The product of its (nonzero) digits is 203212800, while the sum is 66.

The spelling of 840474954975 in words is "eight hundred forty billion, four hundred seventy-four million, nine hundred fifty-four thousand, nine hundred seventy-five".