42356620 has 24 divisors (see below), whose sum is σ = 89357184. Its totient is φ = 16864896.

The previous prime is 42356609. The next prime is 42356641. The reversal of 42356620 is 2665324.

It is a happy 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, 289 + ... + 9208.

It is an arithmetic number, because the mean of its divisors is an integer number (3723216).

Almost surely, 2^42356620 is an apocalyptic number.

It is an amenable number.

42356620 is an abundant number, since it is smaller than the sum of its proper divisors (47000564).

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

42356620 is a wasteful number, since it uses less digits than its factorization.

42356620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9729 (or 9727 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 42356620 is about 6508.1963707313. The cubic root of 42356620 is about 348.5837189009.

The spelling of 42356620 in words is "forty-two million, three hundred fifty-six thousand, six hundred twenty".