40264773442563 has 8 divisors (see below), whose sum is σ = 53688938694928. Its totient is φ = 26841895242624.

The previous prime is 40264773442549. The next prime is 40264773442567. The reversal of 40264773442563 is 36524437746204.

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

It is not a de Polignac number, because 40264773442563 - 2¹⁶ = 40264773377027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40264773442567) 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, 321690106 + ... + 321815247.

It is an arithmetic number, because the mean of its divisors is an integer number (6711117336866).

Almost surely, 2^{40264773442563} is an apocalyptic number.

40264773442563 is a deficient number, since it is larger than the sum of its proper divisors (13424165252365).

40264773442563 is a wasteful number, since it uses less digits than its factorization.

40264773442563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643526213.

The product of its (nonzero) digits is 81285120, while the sum is 57.

The spelling of 40264773442563 in words is "forty trillion, two hundred sixty-four billion, seven hundred seventy-three million, four hundred forty-two thousand, five hundred sixty-three".