40242400023 has 16 divisors (see below), whose sum is σ = 61376103680. Its totient is φ = 22975275456.

The previous prime is 40242400013. The next prime is 40242400063. The reversal of 40242400023 is 32000424204.

40242400023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40242400023 - 2⁶ = 40242399959 is a prime.

It is a super-2 number, since 2×40242400023² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40242400013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 824965 + ... + 872382.

It is an arithmetic number, because the mean of its divisors is an integer number (3836006480).

Almost surely, 2^40242400023 is an apocalyptic number.

40242400023 is a deficient number, since it is larger than the sum of its proper divisors (21133703657).

40242400023 is a wasteful number, since it uses less digits than its factorization.

40242400023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698486.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 40242400023 its reverse (32000424204), we get a palindrome (72242824227).

The spelling of 40242400023 in words is "forty billion, two hundred forty-two million, four hundred thousand, twenty-three".