40452016 has 20 divisors (see below), whose sum is σ = 85501224. Its totient is φ = 18387200.

The previous prime is 40451981. The next prime is 40452019. The reversal of 40452016 is 61025404.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (40452019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114745 + ... + 115096.

Almost surely, 2^40452016 is an apocalyptic number.

It is an amenable number.

40452016 is an abundant number, since it is smaller than the sum of its proper divisors (45049208).

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

40452016 is a wasteful number, since it uses less digits than its factorization.

40452016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229860 (or 229854 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 40452016 is about 6360.1899342708. The cubic root of 40452016 is about 343.2785945556.

The spelling of 40452016 in words is "forty million, four hundred fifty-two thousand, sixteen".