42042612 has 24 divisors (see below), whose sum is σ = 98280000. Its totient is φ = 13988416.

The previous prime is 42042601. The next prime is 42042647. The reversal of 42042612 is 21624024.

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, 4264 + ... + 10112.

It is an arithmetic number, because the mean of its divisors is an integer number (4095000).

Almost surely, 2^42042612 is an apocalyptic number.

It is an amenable number.

42042612 is an abundant number, since it is smaller than the sum of its proper divisors (56237388).

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

42042612 is a wasteful number, since it uses less digits than its factorization.

42042612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6455 (or 6453 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 42042612 is about 6484.0274521319. The cubic root of 42042612 is about 347.7201806654.

Adding to 42042612 its reverse (21624024), we get a palindrome (63666636).

The spelling of 42042612 in words is "forty-two million, forty-two thousand, six hundred twelve".