846492431408 has 80 divisors (see below), whose sum is σ = 1898756805120. Its totient is φ = 362251139328.

The previous prime is 846492431399. The next prime is 846492431437. The reversal of 846492431408 is 804134294648.

It is a self number, because there is not a number n which added to its sum of digits gives 846492431408.

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, 2092910 + ... + 2464397.

It is an arithmetic number, because the mean of its divisors is an integer number (23734460064).

Almost surely, 2^846492431408 is an apocalyptic number.

It is an amenable number.

846492431408 is an abundant number, since it is smaller than the sum of its proper divisors (1052264373712).

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

846492431408 is a wasteful number, since it uses less digits than its factorization.

846492431408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4557394 (or 4557388 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 53.

The spelling of 846492431408 in words is "eight hundred forty-six billion, four hundred ninety-two million, four hundred thirty-one thousand, four hundred eight".