40012304 has 10 divisors (see below), whose sum is σ = 77523870. Its totient is φ = 20006144.

The previous prime is 40012277. The next prime is 40012319. The reversal of 40012304 is 40321004.

It can be written as a sum of positive squares in only one way, i.e., 36626704 + 3385600 = 6052^2 + 1840^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250369 + ... + 1250400.

It is an arithmetic number, because the mean of its divisors is an integer number (7752387).

Almost surely, 2^40012304 is an apocalyptic number.

It is an amenable number.

40012304 is a deficient number, since it is larger than the sum of its proper divisors (37511566).

40012304 is a wasteful number, since it uses less digits than its factorization.

40012304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500777 (or 2500771 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 40012304 is about 6325.5279621546. The cubic root of 40012304 is about 342.0302516473.

Adding to 40012304 its reverse (40321004), we get a palindrome (80333308).

The spelling of 40012304 in words is "forty million, twelve thousand, three hundred four".