42086680 has 32 divisors (see below), whose sum is σ = 96901200. Its totient is φ = 16442496.

The previous prime is 42086677. The next prime is 42086683. The reversal of 42086680 is 8668024.

It is an interprime number because it is at equal distance from previous prime (42086677) and next prime (42086683).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42086683) 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, 10515 + ... + 13954.

Almost surely, 2^42086680 is an apocalyptic number.

42086680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42086680 is an abundant number, since it is smaller than the sum of its proper divisors (54814520).

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

42086680 is a wasteful number, since it uses less digits than its factorization.

42086680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24523 (or 24519 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 42086680 is about 6487.4247587159. The cubic root of 42086680 is about 347.8416287349.

The spelling of 42086680 in words is "forty-two million, eighty-six thousand, six hundred eighty".