40400422896 has 20 divisors (see below), whose sum is σ = 104367759272. Its totient is φ = 13466807616.

The previous prime is 40400422879. The next prime is 40400422897. The reversal of 40400422896 is 69822400404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40400422897) 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, 420837691 + ... + 420837786.

Almost surely, 2^40400422896 is an apocalyptic number.

It is an amenable number.

40400422896 is an abundant number, since it is smaller than the sum of its proper divisors (63967336376).

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

40400422896 is a wasteful number, since it uses less digits than its factorization.

40400422896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841675488 (or 841675482 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 40400422896 in words is "forty billion, four hundred million, four hundred twenty-two thousand, eight hundred ninety-six".