40482240 has 56 divisors (see below), whose sum is σ = 128534160. Its totient is φ = 10795008.

The previous prime is 40482227. The next prime is 40482241. The reversal of 40482240 is 4228404.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 40482240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40482241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20125 + ... + 22044.

Almost surely, 2^40482240 is an apocalyptic number.

40482240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40482240 is an abundant number, since it is smaller than the sum of its proper divisors (88051920).

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

40482240 is a wasteful number, since it uses less digits than its factorization.

40482240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42189 (or 42179 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 40482240 is about 6362.5655202913. The cubic root of 40482240 is about 343.3640675873.

The spelling of 40482240 in words is "forty million, four hundred eighty-two thousand, two hundred forty".