46187785990 has 16 divisors (see below), whose sum is σ = 83156019840. Its totient is φ = 18471113280.

The previous prime is 46187785909. The next prime is 46187786063. The reversal of 46187785990 is 9958778164.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451431 + ... + 544210.

It is an arithmetic number, because the mean of its divisors is an integer number (5197251240).

Almost surely, 2^46187785990 is an apocalyptic number.

46187785990 is a deficient number, since it is larger than the sum of its proper divisors (36968233850).

46187785990 is a wasteful number, since it uses less digits than its factorization.

46187785990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000287.

The product of its (nonzero) digits is 30481920, while the sum is 64.

The spelling of 46187785990 in words is "forty-six billion, one hundred eighty-seven million, seven hundred eighty-five thousand, nine hundred ninety".