40736472432 has 80 divisors (see below), whose sum is σ = 109974627840. Its totient is φ = 12980814336.

The previous prime is 40736472421. The next prime is 40736472457. The reversal of 40736472432 is 23427463704.

It is a happy number.

40736472432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 112957 + ... + 306972.

It is an arithmetic number, because the mean of its divisors is an integer number (1374682848).

Almost surely, 2^40736472432 is an apocalyptic number.

It is an amenable number.

40736472432 is an abundant number, since it is smaller than the sum of its proper divisors (69238155408).

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

40736472432 is a wasteful number, since it uses less digits than its factorization.

40736472432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420030 (or 420024 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 42.

The spelling of 40736472432 in words is "forty billion, seven hundred thirty-six million, four hundred seventy-two thousand, four hundred thirty-two".