40356416 has 28 divisors (see below), whose sum is σ = 80337660. Its totient is φ = 20113920.

The previous prime is 40356397. The next prime is 40356431. The reversal of 40356416 is 61465304.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20286016 + 20070400 = 4504^2 + 4480^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24086 + ... + 25706.

Almost surely, 2^40356416 is an apocalyptic number.

It is an amenable number.

40356416 is a deficient number, since it is larger than the sum of its proper divisors (39981244).

40356416 is a wasteful number, since it uses less digits than its factorization.

40356416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022 (or 2012 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 40356416 is about 6352.6699898547. The cubic root of 40356416 is about 343.0079585174.

The spelling of 40356416 in words is "forty million, three hundred fifty-six thousand, four hundred sixteen".