40417984 has 14 divisors (see below), whose sum is σ = 80204564. Its totient is φ = 20208960.

The previous prime is 40417961. The next prime is 40417987. The reversal of 40417984 is 48971404.

It is a super-2 number, since 2×40417984² = 3267226861248512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40417987) by changing a digit.

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 as a sum of consecutive naturals, namely, 315702 + ... + 315829.

Almost surely, 2^40417984 is an apocalyptic number.

It is an amenable number.

40417984 is a deficient number, since it is larger than the sum of its proper divisors (39786580).

40417984 is an equidigital number, since it uses as much as digits as its factorization.

40417984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631543 (or 631533 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 40417984 is about 6357.5139795363. The cubic root of 40417984 is about 343.1823015815.

The spelling of 40417984 in words is "forty million, four hundred seventeen thousand, nine hundred eighty-four".