890864055342 has 24 divisors (see below), whose sum is σ = 1930231420416. Its totient is φ = 296950690176.

The previous prime is 890864055281. The next prime is 890864055349. The reversal of 890864055342 is 243550468098.

890864055342 is a `hidden beast` number, since 8 + 9 + 0 + 8 + 6 + 40 + 553 + 42 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890864055349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1244158 + ... + 1824734.

It is an arithmetic number, because the mean of its divisors is an integer number (80426309184).

Almost surely, 2^890864055342 is an apocalyptic number.

890864055342 is an abundant number, since it is smaller than the sum of its proper divisors (1039367365074).

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

890864055342 is a wasteful number, since it uses less digits than its factorization.

890864055342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665832 (or 665829 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 890864055342 in words is "eight hundred ninety billion, eight hundred sixty-four million, fifty-five thousand, three hundred forty-two".