42015606 has 16 divisors (see below), whose sum is σ = 86929200. Its totient is φ = 13522208.

The previous prime is 42015581. The next prime is 42015613. The reversal of 42015606 is 60651024.

It is a super-2 number, since 2×42015606² = 3530622295094472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120561 + ... + 120908.

It is an arithmetic number, because the mean of its divisors is an integer number (5433075).

Almost surely, 2^42015606 is an apocalyptic number.

42015606 is an abundant number, since it is smaller than the sum of its proper divisors (44913594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42015606 is a wasteful number, since it uses less digits than its factorization.

42015606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241503.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 42015606 is about 6481.9446156227. The cubic root of 42015606 is about 347.6457122302.

The spelling of 42015606 in words is "forty-two million, fifteen thousand, six hundred six".