42611860 has 24 divisors (see below), whose sum is σ = 94749480. Its totient is φ = 16041984.

The previous prime is 42611837. The next prime is 42611861. The reversal of 42611860 is 6811624.

It can be written as a sum of positive squares in 4 ways, for example, as 16744464 + 25867396 = 4092^2 + 5086^2 .

It is a super-2 number, since 2×42611860² = 3631541225319200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42611861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62325 + ... + 63004.

It is an arithmetic number, because the mean of its divisors is an integer number (3947895).

Almost surely, 2^42611860 is an apocalyptic number.

It is an amenable number.

42611860 is an abundant number, since it is smaller than the sum of its proper divisors (52137620).

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

42611860 is a wasteful number, since it uses less digits than its factorization.

42611860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125355 (or 125353 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 42611860 is about 6527.7760378248. The cubic root of 42611860 is about 349.2825029312.

The spelling of 42611860 in words is "forty-two million, six hundred eleven thousand, eight hundred sixty".