42306456 has 32 divisors (see below), whose sum is σ = 105974640. Its totient is φ = 14074368.

The previous prime is 42306449. The next prime is 42306461. The reversal of 42306456 is 65460324.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13380 + ... + 16236.

Almost surely, 2^42306456 is an apocalyptic number.

It is an amenable number.

42306456 is an abundant number, since it is smaller than the sum of its proper divisors (63668184).

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

42306456 is a wasteful number, since it uses less digits than its factorization.

42306456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3483 (or 3479 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 42306456 is about 6504.3413194573. The cubic root of 42306456 is about 348.4460524126.

The spelling of 42306456 in words is "forty-two million, three hundred six thousand, four hundred fifty-six".