42546456 has 24 divisors (see below), whose sum is σ = 115230180. Its totient is φ = 14182128.

The previous prime is 42546443. The next prime is 42546457. The reversal of 42546456 is 65464524.

42546456 is a `hidden beast` number, since 4 + 2 + 5 + 4 + 645 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 42546456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42546457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 295390 + ... + 295533.

Almost surely, 2^42546456 is an apocalyptic number.

It is an amenable number.

42546456 is an abundant number, since it is smaller than the sum of its proper divisors (72683724).

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

42546456 is a wasteful number, since it uses less digits than its factorization.

42546456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590935 (or 590928 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 42546456 is about 6522.7644446201. The cubic root of 42546456 is about 349.1037094324.

The spelling of 42546456 in words is "forty-two million, five hundred forty-six thousand, four hundred fifty-six".