40879497589 has 12 divisors (see below), whose sum is σ = 47792676000. Its totient is φ = 34863482808.

The previous prime is 40879497583. The next prime is 40879497623. The reversal of 40879497589 is 98579497804.

It is not a de Polignac number, because 40879497589 - 2²⁹ = 40342626677 is a prime.

It is a super-2 number, since 2×40879497589² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40879497583) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2086419 + ... + 2105920.

It is an arithmetic number, because the mean of its divisors is an integer number (3982723000).

Almost surely, 2^40879497589 is an apocalyptic number.

40879497589 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

40879497589 is a deficient number, since it is larger than the sum of its proper divisors (6913178411).

40879497589 is a wasteful number, since it uses less digits than its factorization.

40879497589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4192552 (or 4192545 counting only the distinct ones).

The product of its (nonzero) digits is 182891520, while the sum is 70.

The spelling of 40879497589 in words is "forty billion, eight hundred seventy-nine million, four hundred ninety-seven thousand, five hundred eighty-nine".