40579598871 has 36 divisors (see below), whose sum is σ = 68250546000. Its totient is φ = 23165972928.

The previous prime is 40579598867. The next prime is 40579598879. The reversal of 40579598871 is 17889597504.

40579598871 is a `hidden beast` number, since 4 + 0 + 579 + 59 + 8 + 8 + 7 + 1 = 666.

It is not a de Polignac number, because 40579598871 - 2² = 40579598867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 40579598799 and 40579598808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40579598879) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 418750 + ... + 506468.

It is an arithmetic number, because the mean of its divisors is an integer number (1895848500).

Almost surely, 2^40579598871 is an apocalyptic number.

40579598871 is a deficient number, since it is larger than the sum of its proper divisors (27670947129).

40579598871 is a wasteful number, since it uses less digits than its factorization.

40579598871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88788 (or 88778 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 63.

The spelling of 40579598871 in words is "forty billion, five hundred seventy-nine million, five hundred ninety-eight thousand, eight hundred seventy-one".