40326131619 has 6 divisors (see below), whose sum is σ = 58248856796. Its totient is φ = 26884087740.

The previous prime is 40326131557. The next prime is 40326131653. The reversal of 40326131619 is 91613162304.

40326131619 is a `hidden beast` number, since 4 + 0 + 3 + 2 + 6 + 1 + 31 + 619 = 666.

It is not a de Polignac number, because 40326131619 - 2⁷ = 40326131491 is a prime.

It is a super-2 number, since 2×40326131619² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40326131119) 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 5 ways as a sum of consecutive naturals, for example, 2240340637 + ... + 2240340654.

Almost surely, 2^40326131619 is an apocalyptic number.

40326131619 is a deficient number, since it is larger than the sum of its proper divisors (17922725177).

40326131619 is a wasteful number, since it uses less digits than its factorization.

40326131619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480681297 (or 4480681294 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 40326131619 in words is "forty billion, three hundred twenty-six million, one hundred thirty-one thousand, six hundred nineteen".