42263090 has 8 divisors (see below), whose sum is σ = 76073580. Its totient is φ = 16905232.

The previous prime is 42263069. The next prime is 42263093. The reversal of 42263090 is 9036224.

It can be written as a sum of positive squares in 2 ways, for example, as 40081561 + 2181529 = 6331^2 + 1477^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42263093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2113145 + ... + 2113164.

Almost surely, 2^42263090 is an apocalyptic number.

42263090 is a deficient number, since it is larger than the sum of its proper divisors (33810490).

42263090 is a wasteful number, since it uses less digits than its factorization.

42263090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226316.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 42263090 is about 6501.0068450972. The cubic root of 42263090 is about 348.3269541399.

The spelling of 42263090 in words is "forty-two million, two hundred sixty-three thousand, ninety".