40422400028 has 12 divisors (see below), whose sum is σ = 73021109952. Its totient is φ = 19559225760.

The previous prime is 40422400021. The next prime is 40422400043. The reversal of 40422400028 is 82000422404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40422400021) 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, 162993425 + ... + 162993672.

It is an arithmetic number, because the mean of its divisors is an integer number (6085092496).

Almost surely, 2^40422400028 is an apocalyptic number.

It is an amenable number.

40422400028 is a deficient number, since it is larger than the sum of its proper divisors (32598709924).

40422400028 is a wasteful number, since it uses less digits than its factorization.

40422400028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325987132 (or 325987130 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The spelling of 40422400028 in words is "forty billion, four hundred twenty-two million, four hundred thousand, twenty-eight".