42455650 has 48 divisors (see below), whose sum is σ = 82822824. Its totient is φ = 16174080.

The previous prime is 42455641. The next prime is 42455669. The reversal of 42455650 is 5655424.

It can be written as a sum of positive squares in 12 ways, for example, as 5574321 + 36881329 = 2361^2 + 6073^2 .

It is a congruent number.

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, 97834 + ... + 98266.

Almost surely, 2^42455650 is an apocalyptic number.

42455650 is a deficient number, since it is larger than the sum of its proper divisors (40367174).

42455650 is a wasteful number, since it uses less digits than its factorization.

42455650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 42455650 is about 6515.8000276252. The cubic root of 42455650 is about 348.8551709804.

The spelling of 42455650 in words is "forty-two million, four hundred fifty-five thousand, six hundred fifty".