42015304 has 16 divisors (see below), whose sum is σ = 78983100. Its totient is φ = 20953152.

The previous prime is 42015277. The next prime is 42015307. The reversal of 42015304 is 40351024.

It can be written as a sum of positive squares in 2 ways, for example, as 33663204 + 8352100 = 5802^2 + 2890^2 .

It is not an unprimeable number, because it can be changed into a prime (42015307) 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, 3439 + ... + 9790.

Almost surely, 2^42015304 is an apocalyptic number.

It is an amenable number.

42015304 is a deficient number, since it is larger than the sum of its proper divisors (36967796).

42015304 is a wasteful number, since it uses less digits than its factorization.

42015304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13632 (or 13628 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 42015304 is about 6481.9213201026. The cubic root of 42015304 is about 347.6448792916.

Adding to 42015304 its reverse (40351024), we get a palindrome (82366328).

The spelling of 42015304 in words is "forty-two million, fifteen thousand, three hundred four".