40881334986 has 64 divisors (see below), whose sum is σ = 92845877760. Its totient is φ = 13327752960.

The previous prime is 40881334961. The next prime is 40881335051. The reversal of 40881334986 is 68943318804.

40881334986 is a `hidden beast` number, since 40 + 8 + 81 + 33 + 498 + 6 = 666.

40881334986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4200606 + ... + 4210326.

It is an arithmetic number, because the mean of its divisors is an integer number (1450716840).

Almost surely, 2^40881334986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40881334986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46422938880).

40881334986 is an abundant number, since it is smaller than the sum of its proper divisors (51964542774).

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

40881334986 is a wasteful number, since it uses less digits than its factorization.

40881334986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11436 (or 11430 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 40881334986 in words is "forty billion, eight hundred eighty-one million, three hundred thirty-four thousand, nine hundred eighty-six".