42423616 has 28 divisors (see below), whose sum is σ = 84632800. Its totient is φ = 21098880.

The previous prime is 42423613. The next prime is 42423617. The reversal of 42423616 is 61632424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42423611) 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, 11071 + ... + 14401.

It is an arithmetic number, because the mean of its divisors is an integer number (3022600).

Almost surely, 2^42423616 is an apocalyptic number.

It is an amenable number.

42423616 is a deficient number, since it is larger than the sum of its proper divisors (42209184).

42423616 is a wasteful number, since it uses less digits than its factorization.

42423616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542 (or 3532 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 42423616 is about 6513.3413851878. The cubic root of 42423616 is about 348.7674085082.

The spelling of 42423616 in words is "forty-two million, four hundred twenty-three thousand, six hundred sixteen".