40589815479 has 16 divisors (see below), whose sum is σ = 54535877760. Its totient is φ = 26852006880.

The previous prime is 40589815477. The next prime is 40589815573. The reversal of 40589815479 is 97451898504.

It is not a de Polignac number, because 40589815479 - 2¹ = 40589815477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40589815477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 865789 + ... + 911465.

It is an arithmetic number, because the mean of its divisors is an integer number (3408492360).

Almost surely, 2^40589815479 is an apocalyptic number.

40589815479 is a deficient number, since it is larger than the sum of its proper divisors (13946062281).

40589815479 is a wasteful number, since it uses less digits than its factorization.

40589815479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47950.

The product of its (nonzero) digits is 14515200, while the sum is 60.

The spelling of 40589815479 in words is "forty billion, five hundred eighty-nine million, eight hundred fifteen thousand, four hundred seventy-nine".