890220074590 has 32 divisors (see below), whose sum is σ = 1997792584704. Its totient is φ = 277471191840.

The previous prime is 890220074587. The next prime is 890220074621. The reversal of 890220074590 is 95470022098.

It is a self number, because there is not a number n which added to its sum of digits gives 890220074590.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 578064214 + ... + 578065753.

It is an arithmetic number, because the mean of its divisors is an integer number (62431018272).

Almost surely, 2^890220074590 is an apocalyptic number.

890220074590 is an abundant number, since it is smaller than the sum of its proper divisors (1107572510114).

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

890220074590 is a wasteful number, since it uses less digits than its factorization.

890220074590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156129992.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 890220074590 in words is "eight hundred ninety billion, two hundred twenty million, seventy-four thousand, five hundred ninety".