42481814 has 4 divisors (see below), whose sum is σ = 63722724. Its totient is φ = 21240906.

The previous prime is 42481801. The next prime is 42481823. The reversal of 42481814 is 41818424.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10620452 + ... + 10620455.

It is an arithmetic number, because the mean of its divisors is an integer number (15930681).

Almost surely, 2^42481814 is an apocalyptic number.

42481814 is a deficient number, since it is larger than the sum of its proper divisors (21240910).

42481814 is a wasteful number, since it uses less digits than its factorization.

42481814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21240909.

The product of its digits is 8192, while the sum is 32.

The square root of 42481814 is about 6517.8074534309. The cubic root of 42481814 is about 348.9268188636.

The spelling of 42481814 in words is "forty-two million, four hundred eighty-one thousand, eight hundred fourteen".