90842861642304 has 28 divisors (see below), whose sum is σ = 240355071429104. Its totient is φ = 30280953880704.

The previous prime is 90842861642059. The next prime is 90842861642311. The reversal of 90842861642304 is 40324616824809.

It is a super-2 number, since 2×90842861642304² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236569952002 + ... + 236569952385.

Almost surely, 2^{90842861642304} is an apocalyptic number.

It is an amenable number.

90842861642304 is an abundant number, since it is smaller than the sum of its proper divisors (149512209786800).

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

90842861642304 is a wasteful number, since it uses less digits than its factorization.

90842861642304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473139904402 (or 473139904392 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 57.

The spelling of 90842861642304 in words is "ninety trillion, eight hundred forty-two billion, eight hundred sixty-one million, six hundred forty-two thousand, three hundred four".