40594816 has 32 divisors (see below), whose sum is σ = 84394800. Its totient is φ = 19413504.

The previous prime is 40594781. The next prime is 40594817. The reversal of 40594816 is 61849504.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40594817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3951 + ... + 9838.

Almost surely, 2^40594816 is an apocalyptic number.

40594816 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

40594816 is an abundant number, since it is smaller than the sum of its proper divisors (43799984).

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

40594816 is a wasteful number, since it uses less digits than its factorization.

40594816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13826 (or 13814 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 40594816 is about 6371.4061242398. The cubic root of 40594816 is about 343.6820570511.

The spelling of 40594816 in words is "forty million, five hundred ninety-four thousand, eight hundred sixteen".