42260385 has 32 divisors (see below), whose sum is σ = 72334080. Its totient is φ = 20994048.

The previous prime is 42260353. The next prime is 42260429. The reversal of 42260385 is 58306224.

It is not a de Polignac number, because 42260385 - 2⁵ = 42260353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25461 + ... + 27069.

It is an arithmetic number, because the mean of its divisors is an integer number (2260440).

Almost surely, 2^42260385 is an apocalyptic number.

It is an amenable number.

42260385 is a deficient number, since it is larger than the sum of its proper divisors (30073695).

42260385 is a wasteful number, since it uses less digits than its factorization.

42260385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 42260385 is about 6500.7987970710. The cubic root of 42260385 is about 348.3195225606.

The spelling of 42260385 in words is "forty-two million, two hundred sixty thousand, three hundred eighty-five".