40448016 has 60 divisors (see below), whose sum is σ = 129372672. Its totient is φ = 11556288.

The previous prime is 40447969. The next prime is 40448021. The reversal of 40448016 is 61084404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19056 + ... + 21071.

Almost surely, 2^40448016 is an apocalyptic number.

It is an amenable number.

40448016 is an abundant number, since it is smaller than the sum of its proper divisors (88924656).

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

40448016 is a wasteful number, since it uses less digits than its factorization.

40448016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40148 (or 40139 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 40448016 is about 6359.8754704790. The cubic root of 40448016 is about 343.2672794241.

It can be divided in two parts, 404480 and 16, that added together give a square (404496 = 636²).

The spelling of 40448016 in words is "forty million, four hundred forty-eight thousand, sixteen".