42260913 has 16 divisors (see below), whose sum is σ = 65331840. Its totient is φ = 26948592.

The previous prime is 42260891. The next prime is 42260927. The reversal of 42260913 is 31906224.

42260913 is a `hidden beast` number, since 42 + 2 + 609 + 13 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-42260913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42260213) 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, 33406 + ... + 34647.

It is an arithmetic number, because the mean of its divisors is an integer number (4083240).

Almost surely, 2^42260913 is an apocalyptic number.

It is an amenable number.

42260913 is a deficient number, since it is larger than the sum of its proper divisors (23070927).

42260913 is a wasteful number, since it uses less digits than its factorization.

42260913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68085 (or 68079 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 42260913 is about 6500.8394073381. The cubic root of 42260913 is about 348.3209731859.

The spelling of 42260913 in words is "forty-two million, two hundred sixty thousand, nine hundred thirteen".