40579377012 has 36 divisors (see below), whose sum is σ = 102583075140. Its totient is φ = 13525479552.

The previous prime is 40579377011. The next prime is 40579377071. The reversal of 40579377012 is 21077397504.

40579377012 is a `hidden beast` number, since 4 + 0 + 579 + 3 + 7 + 70 + 1 + 2 = 666.

40579377012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 37591005456 + 2988371556 = 193884^2 + 54666^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40579377011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 601918 + ... + 665930.

It is an arithmetic number, because the mean of its divisors is an integer number (2849529865).

Almost surely, 2^40579377012 is an apocalyptic number.

It is an amenable number.

40579377012 is an abundant number, since it is smaller than the sum of its proper divisors (62003698128).

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

40579377012 is a wasteful number, since it uses less digits than its factorization.

40579377012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81632 (or 81627 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The spelling of 40579377012 in words is "forty billion, five hundred seventy-nine million, three hundred seventy-seven thousand, twelve".