42255450 has 36 divisors (see below), whose sum is σ = 113527518. Its totient is φ = 11268000.

The previous prime is 42255427. The next prime is 42255463. The reversal of 42255450 is 5455224.

It can be written as a sum of positive squares in 3 ways, for example, as 33558849 + 8696601 = 5793^2 + 2949^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 46501 + ... + 47400.

Almost surely, 2^42255450 is an apocalyptic number.

42255450 is an abundant number, since it is smaller than the sum of its proper divisors (71272068).

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

42255450 is a wasteful number, since it uses less digits than its factorization.

42255450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93919 (or 93911 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 42255450 is about 6500.4192172505. The cubic root of 42255450 is about 348.3059635758.

The spelling of 42255450 in words is "forty-two million, two hundred fifty-five thousand, four hundred fifty".