40347432 has 48 divisors (see below), whose sum is σ = 111608640. Its totient is φ = 13161888.

The previous prime is 40347407. The next prime is 40347473. The reversal of 40347432 is 23474304.

40347432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40347396 and 40347405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2578 + ... + 9345.

It is an arithmetic number, because the mean of its divisors is an integer number (2325180).

Almost surely, 2^40347432 is an apocalyptic number.

It is an amenable number.

40347432 is an abundant number, since it is smaller than the sum of its proper divisors (71261208).

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

40347432 is a wasteful number, since it uses less digits than its factorization.

40347432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11982 (or 11975 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 40347432 is about 6351.9628462389. The cubic root of 40347432 is about 342.9825035629.

The spelling of 40347432 in words is "forty million, three hundred forty-seven thousand, four hundred thirty-two".