42433090 has 32 divisors (see below), whose sum is σ = 90305280. Its totient is φ = 14046144.

The previous prime is 42433087. The next prime is 42433093. The reversal of 42433090 is 9033424.

It is an interprime number because it is at equal distance from previous prime (42433087) and next prime (42433093).

It is not an unprimeable number, because it can be changed into a prime (42433093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8422 + ... + 12481.

It is an arithmetic number, because the mean of its divisors is an integer number (2822040).

Almost surely, 2^42433090 is an apocalyptic number.

42433090 is an abundant number, since it is smaller than the sum of its proper divisors (47872190).

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

42433090 is a wasteful number, since it uses less digits than its factorization.

42433090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20946.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 42433090 is about 6514.0686210693. The cubic root of 42433090 is about 348.7933687069.

The spelling of 42433090 in words is "forty-two million, four hundred thirty-three thousand, ninety".