40749796663 has 4 divisors (see below), whose sum is σ = 40774243320. Its totient is φ = 40725350008.

The previous prime is 40749796657. The next prime is 40749796667. The reversal of 40749796663 is 36669794704.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40749796663 - 2⁵ = 40749796631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40749796667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12220828 + ... + 12224161.

It is an arithmetic number, because the mean of its divisors is an integer number (10193560830).

Almost surely, 2^40749796663 is an apocalyptic number.

40749796663 is a deficient number, since it is larger than the sum of its proper divisors (24446657).

40749796663 is a wasteful number, since it uses less digits than its factorization.

40749796663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24446656.

The product of its (nonzero) digits is 41150592, while the sum is 61.

The spelling of 40749796663 in words is "forty billion, seven hundred forty-nine million, seven hundred ninety-six thousand, six hundred sixty-three".