40395344 has 20 divisors (see below), whose sum is σ = 85381440. Its totient is φ = 18361440.

The previous prime is 40395343. The next prime is 40395413. The reversal of 40395344 is 44359304.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 40395344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40395343) 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, 114584 + ... + 114935.

It is an arithmetic number, because the mean of its divisors is an integer number (4269072).

Almost surely, 2^40395344 is an apocalyptic number.

40395344 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40395344 is an abundant number, since it is smaller than the sum of its proper divisors (44986096).

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

40395344 is a wasteful number, since it uses less digits than its factorization.

40395344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229538 (or 229532 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 40395344 is about 6355.7331599116. The cubic root of 40395344 is about 343.1182121366.

The spelling of 40395344 in words is "forty million, three hundred ninety-five thousand, three hundred forty-four".