40215468 has 12 divisors (see below), whose sum is σ = 93836120. Its totient is φ = 13405152.

The previous prime is 40215467. The next prime is 40215479. The reversal of 40215468 is 86451204.

40215468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (40215467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675633 + ... + 1675656.

Almost surely, 2^40215468 is an apocalyptic number.

It is an amenable number.

40215468 is an abundant number, since it is smaller than the sum of its proper divisors (53620652).

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

40215468 is a wasteful number, since it uses less digits than its factorization.

40215468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351296 (or 3351294 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 40215468 is about 6341.5666833993. The cubic root of 40215468 is about 342.6081651725.

The spelling of 40215468 in words is "forty million, two hundred fifteen thousand, four hundred sixty-eight".