42642452 has 12 divisors (see below), whose sum is σ = 74733120. Its totient is φ = 21290136.

The previous prime is 42642401. The next prime is 42642473. The reversal of 42642452 is 25424624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4538 + ... + 10289.

It is an arithmetic number, because the mean of its divisors is an integer number (6227760).

Almost surely, 2^42642452 is an apocalyptic number.

It is an amenable number.

42642452 is a deficient number, since it is larger than the sum of its proper divisors (32090668).

42642452 is a wasteful number, since it uses less digits than its factorization.

42642452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15550 (or 15548 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 42642452 is about 6530.1188350596. The cubic root of 42642452 is about 349.3660688234.

The spelling of 42642452 in words is "forty-two million, six hundred forty-two thousand, four hundred fifty-two".