40879178081 has 8 divisors (see below), whose sum is σ = 46726641984. Its totient is φ = 35033609520.

The previous prime is 40879178033. The next prime is 40879178083. The reversal of 40879178081 is 18087197804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40879178081 - 2³⁰ = 39805436257 is a prime.

It is a super-2 number, since 2×40879178081² (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 (40879178083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427310 + ... + 514151.

It is an arithmetic number, because the mean of its divisors is an integer number (5840830248).

Almost surely, 2^40879178081 is an apocalyptic number.

It is an amenable number.

40879178081 is a deficient number, since it is larger than the sum of its proper divisors (5847463903).

40879178081 is an equidigital number, since it uses as much as digits as its factorization.

40879178081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947671.

The product of its (nonzero) digits is 903168, while the sum is 53.

The spelling of 40879178081 in words is "forty billion, eight hundred seventy-nine million, one hundred seventy-eight thousand, eighty-one".