42113646 has 24 divisors (see below), whose sum is σ = 91555464. Its totient is φ = 13990320.

The previous prime is 42113639. The next prime is 42113651. The reversal of 42113646 is 64631124.

42113646 is a `hidden beast` number, since 4 + 2 + 1 + 13 + 646 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1716 + ... + 9336.

It is an arithmetic number, because the mean of its divisors is an integer number (3814811).

Almost surely, 2^42113646 is an apocalyptic number.

42113646 is an abundant number, since it is smaller than the sum of its proper divisors (49441818).

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

42113646 is a wasteful number, since it uses less digits than its factorization.

42113646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7936 (or 7933 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 42113646 is about 6489.5027544489. The cubic root of 42113646 is about 347.9159031828.

The spelling of 42113646 in words is "forty-two million, one hundred thirteen thousand, six hundred forty-six".