40001432304 has 80 divisors (see below), whose sum is σ = 109553623040. Its totient is φ = 12554922240.

The previous prime is 40001432299. The next prime is 40001432323. The reversal of 40001432304 is 40323410004.

It is a super-2 number, since 2×40001432304² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308224 + ... + 418335.

It is an arithmetic number, because the mean of its divisors is an integer number (1369420288).

Almost surely, 2^40001432304 is an apocalyptic number.

It is an amenable number.

40001432304 is an abundant number, since it is smaller than the sum of its proper divisors (69552190736).

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

40001432304 is a wasteful number, since it uses less digits than its factorization.

40001432304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726638 (or 726632 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 40001432304 its reverse (40323410004), we get a palindrome (80324842308).

The spelling of 40001432304 in words is "forty billion, one million, four hundred thirty-two thousand, three hundred four".