40304344 has 8 divisors (see below), whose sum is σ = 75570660. Its totient is φ = 20152168.

The previous prime is 40304323. The next prime is 40304401. The reversal of 40304344 is 44340304.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2519014 + ... + 2519029.

Almost surely, 2^40304344 is an apocalyptic number.

It is an amenable number.

40304344 is a deficient number, since it is larger than the sum of its proper divisors (35266316).

40304344 is a wasteful number, since it uses less digits than its factorization.

40304344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5038049 (or 5038045 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 40304344 is about 6348.5702327374. The cubic root of 40304344 is about 342.8603669670.

Adding to 40304344 its reverse (44340304), we get a palindrome (84644648).

The spelling of 40304344 in words is "forty million, three hundred four thousand, three hundred forty-four".