40400422404 has 24 divisors (see below), whose sum is σ = 94383911328. Its totient is φ = 13450199040.

The previous prime is 40400422357. The next prime is 40400422471. The reversal of 40400422404 is 40422400404.

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, 2065917 + ... + 2085380.

It is an arithmetic number, because the mean of its divisors is an integer number (3932662972).

Almost surely, 2^40400422404 is an apocalyptic number.

It is an amenable number.

40400422404 is an abundant number, since it is smaller than the sum of its proper divisors (53983488924).

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

40400422404 is a wasteful number, since it uses less digits than its factorization.

40400422404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4152115 (or 4152113 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 40400422404 its reverse (40422400404), we get a palindrome (80822822808).

The spelling of 40400422404 in words is "forty billion, four hundred million, four hundred twenty-two thousand, four hundred four".