40164260063 has 4 divisors (see below), whose sum is σ = 40177181880. Its totient is φ = 40151338248.

The previous prime is 40164260047. The next prime is 40164260077. The reversal of 40164260063 is 36006246104.

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 40164260063 - 2⁴ = 40164260047 is a prime.

It is a super-2 number, since 2×40164260063² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40164260023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6456245 + ... + 6462462.

It is an arithmetic number, because the mean of its divisors is an integer number (10044295470).

Almost surely, 2^40164260063 is an apocalyptic number.

40164260063 is a deficient number, since it is larger than the sum of its proper divisors (12921817).

40164260063 is a wasteful number, since it uses less digits than its factorization.

40164260063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12921816.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 40164260063 in words is "forty billion, one hundred sixty-four million, two hundred sixty thousand, sixty-three".