42250366 has 4 divisors (see below), whose sum is σ = 63375552. Its totient is φ = 21125182.

The previous prime is 42250363. The next prime is 42250367. The reversal of 42250366 is 66305224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42250363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10562590 + ... + 10562593.

It is an arithmetic number, because the mean of its divisors is an integer number (15843888).

Almost surely, 2^42250366 is an apocalyptic number.

42250366 is a deficient number, since it is larger than the sum of its proper divisors (21125186).

42250366 is a wasteful number, since it uses less digits than its factorization.

42250366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21125185.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 42250366 is about 6500.0281537852. The cubic root of 42250366 is about 348.2919941072.

The spelling of 42250366 in words is "forty-two million, two hundred fifty thousand, three hundred sixty-six".