40886113920 has 128 divisors (see below), whose sum is σ = 130382144640. Its totient is φ = 10898141184.

The previous prime is 40886113903. The next prime is 40886113963. The reversal of 40886113920 is 2931168804.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×40886113920² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7229814 + ... + 7235466.

It is an arithmetic number, because the mean of its divisors is an integer number (1018610505).

Almost surely, 2^40886113920 is an apocalyptic number.

40886113920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40886113920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65191072320).

40886113920 is an abundant number, since it is smaller than the sum of its proper divisors (89496030720).

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

40886113920 is a wasteful number, since it uses less digits than its factorization.

40886113920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9442 (or 9430 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 40886113920 in words is "forty billion, eight hundred eighty-six million, one hundred thirteen thousand, nine hundred twenty".