89942846940 has 36 divisors (see below), whose sum is σ = 272826636264. Its totient is φ = 23984759136.

The previous prime is 89942846923. The next prime is 89942846971. The reversal of 89942846940 is 4964824998.

89942846940 is a `hidden beast` number, since 8 + 99 + 42 + 8 + 469 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 249841062 + ... + 249841421.

It is an arithmetic number, because the mean of its divisors is an integer number (7578517674).

Almost surely, 2^89942846940 is an apocalyptic number.

It is an amenable number.

89942846940 is an abundant number, since it is smaller than the sum of its proper divisors (182883789324).

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

89942846940 is a wasteful number, since it uses less digits than its factorization.

89942846940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499682498 (or 499682493 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 63.

The spelling of 89942846940 in words is "eighty-nine billion, nine hundred forty-two million, eight hundred forty-six thousand, nine hundred forty".