42109486 has 8 divisors (see below), whose sum is σ = 63588600. Its totient is φ = 20913288.

The previous prime is 42109451. The next prime is 42109511. The reversal of 42109486 is 68490124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42109486² = 3546417622368392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70356 + ... + 70951.

It is an arithmetic number, because the mean of its divisors is an integer number (7948575).

Almost surely, 2^42109486 is an apocalyptic number.

42109486 is a deficient number, since it is larger than the sum of its proper divisors (21479114).

42109486 is a wasteful number, since it uses less digits than its factorization.

42109486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141458.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 42109486 is about 6489.1822289099. The cubic root of 42109486 is about 347.9044470559.

The spelling of 42109486 in words is "forty-two million, one hundred nine thousand, four hundred eighty-six".