40140178005 has 32 divisors (see below), whose sum is σ = 65923602048. Its totient is φ = 20848608000.

The previous prime is 40140177989. The next prime is 40140178007. The reversal of 40140178005 is 50087104104.

It is not a de Polignac number, because 40140178005 - 2⁴ = 40140177989 is a prime.

It is a super-2 number, since 2×40140178005² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40140178007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124759 + ... + 309588.

It is an arithmetic number, because the mean of its divisors is an integer number (2060112564).

Almost surely, 2^40140178005 is an apocalyptic number.

It is an amenable number.

40140178005 is a deficient number, since it is larger than the sum of its proper divisors (25783424043).

40140178005 is a wasteful number, since it uses less digits than its factorization.

40140178005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434517.

The product of its (nonzero) digits is 4480, while the sum is 30.

The spelling of 40140178005 in words is "forty billion, one hundred forty million, one hundred seventy-eight thousand, five".