40558378319 has 32 divisors (see below), whose sum is σ = 44300874240. Its totient is φ = 37024048512.

The previous prime is 40558378261. The next prime is 40558378339. The reversal of 40558378319 is 91387385504.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40558378319 is a prime.

It is a super-2 number, since 2×40558378319² (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 (40558378339) 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 31 ways as a sum of consecutive naturals, for example, 42827804 + ... + 42828750.

It is an arithmetic number, because the mean of its divisors is an integer number (1384402320).

Almost surely, 2^40558378319 is an apocalyptic number.

40558378319 is a deficient number, since it is larger than the sum of its proper divisors (3742495921).

40558378319 is a wasteful number, since it uses less digits than its factorization.

40558378319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 40558378319 in words is "forty billion, five hundred fifty-eight million, three hundred seventy-eight thousand, three hundred nineteen".