40140874797 has 8 divisors (see below), whose sum is σ = 53578289856. Its totient is φ = 26732021472.

The previous prime is 40140874783. The next prime is 40140874811. The reversal of 40140874797 is 79747804104.

It is an interprime number because it is at equal distance from previous prime (40140874783) and next prime (40140874811).

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

It is not a de Polignac number, because 40140874797 - 2⁸ = 40140874541 is a prime.

It is a super-2 number, since 2×40140874797² (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 (40140874727) 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, 7137153 + ... + 7142774.

It is an arithmetic number, because the mean of its divisors is an integer number (6697286232).

Almost surely, 2^40140874797 is an apocalyptic number.

It is an amenable number.

40140874797 is a deficient number, since it is larger than the sum of its proper divisors (13437415059).

40140874797 is a wasteful number, since it uses less digits than its factorization.

40140874797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14280867.

The product of its (nonzero) digits is 1580544, while the sum is 51.

The spelling of 40140874797 in words is "forty billion, one hundred forty million, eight hundred seventy-four thousand, seven hundred ninety-seven".