42686412 has 48 divisors (see below), whose sum is σ = 104019552. Its totient is φ = 13611520.

The previous prime is 42686383. The next prime is 42686431. The reversal of 42686412 is 21468624.

It is a super-3 number, since 3×42686412³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25258 + ... + 26894.

It is an arithmetic number, because the mean of its divisors is an integer number (2167074).

Almost surely, 2^42686412 is an apocalyptic number.

It is an amenable number.

42686412 is an abundant number, since it is smaller than the sum of its proper divisors (61333140).

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

42686412 is a wasteful number, since it uses less digits than its factorization.

42686412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738 (or 1736 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 42686412 is about 6533.4839098294. The cubic root of 42686412 is about 349.4860811361.

The spelling of 42686412 in words is "forty-two million, six hundred eighty-six thousand, four hundred twelve".