40447532 has 12 divisors (see below), whose sum is σ = 70828800. Its totient is φ = 20210736.

The previous prime is 40447507. The next prime is 40447543. The reversal of 40447532 is 23574404.

It is a junction number, because it is equal to n+sod(n) for n = 40447495 and 40447504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8213 + ... + 12179.

It is an arithmetic number, because the mean of its divisors is an integer number (5902400).

Almost surely, 2^40447532 is an apocalyptic number.

It is an amenable number.

40447532 is a deficient number, since it is larger than the sum of its proper divisors (30381268).

40447532 is a wasteful number, since it uses less digits than its factorization.

40447532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6520 (or 6518 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 40447532 is about 6359.8374193056. The cubic root of 40447532 is about 343.2659102426.

The spelling of 40447532 in words is "forty million, four hundred forty-seven thousand, five hundred thirty-two".