40220421231404 has 12 divisors (see below), whose sum is σ = 70386309872424. Its totient is φ = 20110046982144.

The previous prime is 40220421231391. The next prime is 40220421231407. The reversal of 40220421231404 is 40413212402204.

It is a happy number.

40220421231404 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40220421231404² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40220421231407) 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, 40354517 + ... + 41339180.

It is an arithmetic number, because the mean of its divisors is an integer number (5865525822702).

Almost surely, 2^{40220421231404} is an apocalyptic number.

It is an amenable number.

40220421231404 is a deficient number, since it is larger than the sum of its proper divisors (30165888641020).

40220421231404 is a wasteful number, since it uses less digits than its factorization.

40220421231404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81816784 (or 81816782 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 40220421231404 its reverse (40413212402204), we get a palindrome (80633633633608).

The spelling of 40220421231404 in words is "forty trillion, two hundred twenty billion, four hundred twenty-one million, two hundred thirty-one thousand, four hundred four".