40253216 has 24 divisors (see below), whose sum is σ = 79423344. Its totient is φ = 20082240.

The previous prime is 40253209. The next prime is 40253231. The reversal of 40253216 is 61235204.

It is a junction number, because it is equal to n+sod(n) for n = 40253191 and 40253200.

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, 17171 + ... + 19373.

It is an arithmetic number, because the mean of its divisors is an integer number (3309306).

Almost surely, 2^40253216 is an apocalyptic number.

It is an amenable number.

40253216 is a deficient number, since it is larger than the sum of its proper divisors (39170128).

40253216 is a wasteful number, since it uses less digits than its factorization.

40253216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784 (or 2776 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 40253216 is about 6344.5422214688. The cubic root of 40253216 is about 342.7153273280.

The spelling of 40253216 in words is "forty million, two hundred fifty-three thousand, two hundred sixteen".