40432600404 has 144 divisors (see below), whose sum is σ = 123142027008. Its totient is φ = 10935834624.

The previous prime is 40432600393. The next prime is 40432600421. The reversal of 40432600404 is 40400623404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 526254 + ... + 598170.

Almost surely, 2^40432600404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40432600404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61571013504).

40432600404 is an abundant number, since it is smaller than the sum of its proper divisors (82709426604).

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

40432600404 is a wasteful number, since it uses less digits than its factorization.

40432600404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72054 (or 72049 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The spelling of 40432600404 in words is "forty billion, four hundred thirty-two million, six hundred thousand, four hundred four".