42456450 has 48 divisors (see below), whose sum is σ = 110841120. Its totient is φ = 10725120.

The previous prime is 42456439. The next prime is 42456457. The reversal of 42456450 is 5465424.

It is a super-3 number, since 3×42456450³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (42456457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4599 + ... + 10298.

It is an arithmetic number, because the mean of its divisors is an integer number (2309190).

Almost surely, 2^42456450 is an apocalyptic number.

42456450 is an abundant number, since it is smaller than the sum of its proper divisors (68384670).

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

42456450 is a wasteful number, since it uses less digits than its factorization.

42456450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14931 (or 14926 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 42456450 is about 6515.8614165742. The cubic root of 42456450 is about 348.8573621484.

The spelling of 42456450 in words is "forty-two million, four hundred fifty-six thousand, four hundred fifty".