40013422328 has 32 divisors (see below), whose sum is σ = 81868475520. Its totient is φ = 18182844000.

The previous prime is 40013422327. The next prime is 40013422439. The reversal of 40013422328 is 82322431004.

It is a self number, because there is not a number n which added to its sum of digits gives 40013422328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40013422321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263213 + ... + 386403.

It is an arithmetic number, because the mean of its divisors is an integer number (2558389860).

Almost surely, 2^40013422328 is an apocalyptic number.

It is an amenable number.

40013422328 is an abundant number, since it is smaller than the sum of its proper divisors (41855053192).

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

40013422328 is a wasteful number, since it uses less digits than its factorization.

40013422328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126899 (or 126895 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The spelling of 40013422328 in words is "forty billion, thirteen million, four hundred twenty-two thousand, three hundred twenty-eight".