40304104 has 8 divisors (see below), whose sum is σ = 75570210. Its totient is φ = 20152048.

The previous prime is 40304101. The next prime is 40304129. The reversal of 40304104 is 40140304.

It can be written as a sum of positive squares in only one way, i.e., 22071204 + 18232900 = 4698^2 + 4270^2 .

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

It is not an unprimeable number, because it can be changed into a prime (40304101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2518999 + ... + 2519014.

Almost surely, 2^40304104 is an apocalyptic number.

It is an amenable number.

40304104 is a deficient number, since it is larger than the sum of its proper divisors (35266106).

40304104 is a wasteful number, since it uses less digits than its factorization.

40304104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5038019 (or 5038015 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40304104 is about 6348.5513308156. The cubic root of 40304104 is about 342.8596864229.

Adding to 40304104 its reverse (40140304), we get a palindrome (80444408).

The spelling of 40304104 in words is "forty million, three hundred four thousand, one hundred four".