40881335004 has 72 divisors (see below), whose sum is σ = 114175020960. Its totient is φ = 12267881472.

The previous prime is 40881334961. The next prime is 40881335051. The reversal of 40881335004 is 40053318804.

40881335004 is a `hidden beast` number, since 40 + 8 + 81 + 33 + 500 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40881335004.

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 23 ways as a sum of consecutive naturals, for example, 1438089 + ... + 1466240.

It is an arithmetic number, because the mean of its divisors is an integer number (1585764180).

Almost surely, 2^40881335004 is an apocalyptic number.

It is an amenable number.

40881335004 is an abundant number, since it is smaller than the sum of its proper divisors (73293685956).

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

40881335004 is a wasteful number, since it uses less digits than its factorization.

40881335004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2904379 (or 2904374 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 40881335004 in words is "forty billion, eight hundred eighty-one million, three hundred thirty-five thousand, four".