40421321104 has 40 divisors (see below), whose sum is σ = 80861888000. Its totient is φ = 19554048000.

The previous prime is 40421321099. The next prime is 40421321117. The reversal of 40421321104 is 40112312404.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3044272 + ... + 3057520.

It is an arithmetic number, because the mean of its divisors is an integer number (2021547200).

Almost surely, 2^40421321104 is an apocalyptic number.

It is an amenable number.

40421321104 is an abundant number, since it is smaller than the sum of its proper divisors (40440566896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40421321104 is a wasteful number, since it uses less digits than its factorization.

40421321104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19439 (or 19433 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 40421321104 its reverse (40112312404), we get a palindrome (80533633508).

The spelling of 40421321104 in words is "forty billion, four hundred twenty-one million, three hundred twenty-one thousand, one hundred four".