40036416 has 56 divisors (see below), whose sum is σ = 121066560. Its totient is φ = 11438592.

The previous prime is 40036391. The next prime is 40036417. The reversal of 40036416 is 61463004.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×40036416² = 3205829212250112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (40036417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13551 + ... + 16238.

Almost surely, 2^40036416 is an apocalyptic number.

It is an amenable number.

40036416 is an abundant number, since it is smaller than the sum of its proper divisors (81030144).

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

40036416 is a wasteful number, since it uses less digits than its factorization.

40036416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29811 (or 29801 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 40036416 is about 6327.4336029705. The cubic root of 40036416 is about 342.0989419964.

The spelling of 40036416 in words is "forty million, thirty-six thousand, four hundred sixteen".