40421023032 has 64 divisors (see below), whose sum is σ = 113557409280. Its totient is φ = 11896486272.

The previous prime is 40421023021. The next prime is 40421023043. The reversal of 40421023032 is 23032012404.

It is an interprime number because it is at equal distance from previous prime (40421023021) and next prime (40421023043).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2809228 + ... + 2823579.

It is an arithmetic number, because the mean of its divisors is an integer number (1774334520).

Almost surely, 2^40421023032 is an apocalyptic number.

It is an amenable number.

40421023032 is an abundant number, since it is smaller than the sum of its proper divisors (73136386248).

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

40421023032 is a wasteful number, since it uses less digits than its factorization.

40421023032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5632852 (or 5632848 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 40421023032 its reverse (23032012404), we get a palindrome (63453035436).

The spelling of 40421023032 in words is "forty billion, four hundred twenty-one million, twenty-three thousand, thirty-two".