42263385 has 32 divisors (see below), whose sum is σ = 70597632. Its totient is φ = 21565440.

The previous prime is 42263383. The next prime is 42263401. The reversal of 42263385 is 58336224.

It is a happy number.

It is not a de Polignac number, because 42263385 - 2¹ = 42263383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42263383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44637 + ... + 45573.

It is an arithmetic number, because the mean of its divisors is an integer number (2206176).

Almost surely, 2^42263385 is an apocalyptic number.

It is an amenable number.

42263385 is a deficient number, since it is larger than the sum of its proper divisors (28334247).

42263385 is a wasteful number, since it uses less digits than its factorization.

42263385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073.

The product of its digits is 34560, while the sum is 33.

The square root of 42263385 is about 6501.0295338508. The cubic root of 42263385 is about 348.3277645887.

The spelling of 42263385 in words is "forty-two million, two hundred sixty-three thousand, three hundred eighty-five".