40594440 has 32 divisors (see below), whose sum is σ = 121783680. Its totient is φ = 10825152.

The previous prime is 40594399. The next prime is 40594447. The reversal of 40594440 is 4449504.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 40594398 and 40594407.

It is not an unprimeable number, because it can be changed into a prime (40594447) 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 in 7 ways as a sum of consecutive naturals, for example, 169024 + ... + 169263.

It is an arithmetic number, because the mean of its divisors is an integer number (3805740).

Almost surely, 2^40594440 is an apocalyptic number.

40594440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40594440 is an abundant number, since it is smaller than the sum of its proper divisors (81189240).

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

40594440 is a wasteful number, since it uses less digits than its factorization.

40594440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338301 (or 338297 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 40594440 is about 6371.3766173410. The cubic root of 40594440 is about 343.6809959563.

The spelling of 40594440 in words is "forty million, five hundred ninety-four thousand, four hundred forty".