40455440220023 has 8 divisors (see below), whose sum is σ = 40479448842000. Its totient is φ = 40431438284608.

The previous prime is 40455440220001. The next prime is 40455440220049. The reversal of 40455440220023 is 32002204455404.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40455440220023 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 (40455440220073) 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, 10458563 + ... + 13794651.

It is an arithmetic number, because the mean of its divisors is an integer number (5059931105250).

Almost surely, 2^{40455440220023} is an apocalyptic number.

40455440220023 is a deficient number, since it is larger than the sum of its proper divisors (24008621977).

40455440220023 is a wasteful number, since it uses less digits than its factorization.

40455440220023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3343281.

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 40455440220023 its reverse (32002204455404), we get a palindrome (72457644675427).

The spelling of 40455440220023 in words is "forty trillion, four hundred fifty-five billion, four hundred forty million, two hundred twenty thousand, twenty-three".