40817525004 has 36 divisors (see below), whose sum is σ = 103207759200. Its totient is φ = 13601868960.

The previous prime is 40817525003. The next prime is 40817525039. The reversal of 40817525004 is 40052571804.

40817525004 is a `hidden beast` number, since 4 + 0 + 81 + 75 + 2 + 500 + 4 = 666.

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

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 40817525004.

It is not an unprimeable number, because it can be changed into a prime (40817525003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39204 + ... + 288395.

It is an arithmetic number, because the mean of its divisors is an integer number (2866882200).

Almost surely, 2^40817525004 is an apocalyptic number.

It is an amenable number.

40817525004 is an abundant number, since it is smaller than the sum of its proper divisors (62390234196).

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

40817525004 is a wasteful number, since it uses less digits than its factorization.

40817525004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331070 (or 331065 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The spelling of 40817525004 in words is "forty billion, eight hundred seventeen million, five hundred twenty-five thousand, four".