40504501697 has 8 divisors (see below), whose sum is σ = 44592113280. Its totient is φ = 36484454160.

The previous prime is 40504501633. The next prime is 40504501711. The reversal of 40504501697 is 79610540504.

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

It is not a de Polignac number, because 40504501697 - 2⁶ = 40504501633 is a prime.

It is a super-2 number, since 2×40504501697² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40504501097) 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, 16889753 + ... + 16892150.

It is an arithmetic number, because the mean of its divisors is an integer number (5574014160).

Almost surely, 2^40504501697 is an apocalyptic number.

It is an amenable number.

40504501697 is a deficient number, since it is larger than the sum of its proper divisors (4087611583).

40504501697 is a wasteful number, since it uses less digits than its factorization.

40504501697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33782023.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 40504501697 in words is "forty billion, five hundred four million, five hundred one thousand, six hundred ninety-seven".