40525587872 has 96 divisors (see below), whose sum is σ = 99543717504. Its totient is φ = 15777792000.

The previous prime is 40525587799. The next prime is 40525587911. The reversal of 40525587872 is 27878552504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3939728 + ... + 3950000.

It is an arithmetic number, because the mean of its divisors is an integer number (1036913724).

Almost surely, 2^40525587872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40525587872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49771858752).

40525587872 is an abundant number, since it is smaller than the sum of its proper divisors (59018129632).

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

40525587872 is a wasteful number, since it uses less digits than its factorization.

40525587872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11902 (or 11894 counting only the distinct ones).

The product of its (nonzero) digits is 6272000, while the sum is 53.

The spelling of 40525587872 in words is "forty billion, five hundred twenty-five million, five hundred eighty-seven thousand, eight hundred seventy-two".