40199456 has 24 divisors (see below), whose sum is σ = 86338224. Its totient is φ = 18272320.

The previous prime is 40199449. The next prime is 40199479. The reversal of 40199456 is 65499104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56750 + ... + 57453.

It is an arithmetic number, because the mean of its divisors is an integer number (3597426).

Almost surely, 2^40199456 is an apocalyptic number.

It is an amenable number.

40199456 is an abundant number, since it is smaller than the sum of its proper divisors (46138768).

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

40199456 is a wasteful number, since it uses less digits than its factorization.

40199456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114224 (or 114216 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 40199456 is about 6340.3040936536. The cubic root of 40199456 is about 342.5626887223.

The spelling of 40199456 in words is "forty million, one hundred ninety-nine thousand, four hundred fifty-six".