42032115 has 40 divisors (see below), whose sum is σ = 76520400. Its totient is φ = 22068288.

The previous prime is 42032099. The next prime is 42032129. The reversal of 42032115 is 51123024.

It is not a de Polignac number, because 42032115 - 2⁴ = 42032099 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 26361 + ... + 27909.

It is an arithmetic number, because the mean of its divisors is an integer number (1913010).

Almost surely, 2^42032115 is an apocalyptic number.

42032115 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42032115 is a deficient number, since it is larger than the sum of its proper divisors (34488285).

42032115 is a wasteful number, since it uses less digits than its factorization.

42032115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633 (or 1624 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 42032115 is about 6483.2179509870. The cubic root of 42032115 is about 347.6912392146.

Adding to 42032115 its reverse (51123024), we get a palindrome (93155139).

Subtracting 42032115 from its reverse (51123024), we obtain a palindrome (9090909).

The spelling of 42032115 in words is "forty-two million, thirty-two thousand, one hundred fifteen".