40365384885 has 144 divisors (see below), whose sum is σ = 89371429056. Its totient is φ = 17366856192.

The previous prime is 40365384863. The next prime is 40365384893. The reversal of 40365384885 is 58848356304.

It is not a de Polignac number, because 40365384885 - 2⁵ = 40365384853 is a prime.

It is a hoax number, since the sum of its digits (54) 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 polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 992154 + ... + 1032036.

It is an arithmetic number, because the mean of its divisors is an integer number (620634924).

Almost surely, 2^40365384885 is an apocalyptic number.

40365384885 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40365384885 is an abundant number, since it is smaller than the sum of its proper divisors (49006044171).

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

40365384885 is a wasteful number, since it uses less digits than its factorization.

40365384885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39934 (or 39915 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 54.

The spelling of 40365384885 in words is "forty billion, three hundred sixty-five million, three hundred eighty-four thousand, eight hundred eighty-five".