40585125987 has 48 divisors (see below), whose sum is σ = 69337831680. Its totient is φ = 22382136000.

The previous prime is 40585125953. The next prime is 40585126009. The reversal of 40585125987 is 78952158504.

40585125987 is a `hidden beast` number, since 4 + 0 + 585 + 1 + 2 + 59 + 8 + 7 = 666.

40585125987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40585125987 - 2⁶ = 40585125923 is a prime.

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 not an unprimeable number, because it can be changed into a prime (40585125587) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7179112 + ... + 7184762.

It is an arithmetic number, because the mean of its divisors is an integer number (1444538160).

Almost surely, 2^40585125987 is an apocalyptic number.

40585125987 is a deficient number, since it is larger than the sum of its proper divisors (28752705693).

40585125987 is a wasteful number, since it uses less digits than its factorization.

40585125987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9624 (or 9621 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 54.

The spelling of 40585125987 in words is "forty billion, five hundred eighty-five million, one hundred twenty-five thousand, nine hundred eighty-seven".