42455250 has 48 divisors (see below), whose sum is σ = 114805080. Its totient is φ = 11320800.

The previous prime is 42455227. The next prime is 42455269. The reversal of 42455250 is 5255424.

It can be written as a sum of positive squares in 4 ways, for example, as 25735329 + 16719921 = 5073^2 + 4089^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7185 + ... + 11684.

Almost surely, 2^42455250 is an apocalyptic number.

42455250 is an abundant number, since it is smaller than the sum of its proper divisors (72349830).

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

42455250 is a wasteful number, since it uses less digits than its factorization.

42455250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18892 (or 18879 counting only the distinct ones).

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

The square root of 42455250 is about 6515.7693329338. The cubic root of 42455250 is about 348.8540753861.

The spelling of 42455250 in words is "forty-two million, four hundred fifty-five thousand, two hundred fifty".