40304284 has 6 divisors (see below), whose sum is σ = 70532504. Its totient is φ = 20152140.

The previous prime is 40304279. The next prime is 40304293. The reversal of 40304284 is 48240304.

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, 5038032 + ... + 5038039.

Almost surely, 2^40304284 is an apocalyptic number.

It is an amenable number.

40304284 is a deficient number, since it is larger than the sum of its proper divisors (30228220).

40304284 is a wasteful number, since it uses less digits than its factorization.

40304284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10076075 (or 10076073 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 40304284 is about 6348.5655072623. The cubic root of 40304284 is about 342.8601968313.

Adding to 40304284 its reverse (48240304), we get a palindrome (88544588).

The spelling of 40304284 in words is "forty million, three hundred four thousand, two hundred eighty-four".