42481808 has 10 divisors (see below), whose sum is σ = 82308534. Its totient is φ = 21240896.

The previous prime is 42481801. The next prime is 42481823. The reversal of 42481808 is 80818424.

It can be written as a sum of positive squares in only one way, i.e., 23541904 + 18939904 = 4852^2 + 4352^2 .

It is not an unprimeable number, because it can be changed into a prime (42481801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327541 + ... + 1327572.

Almost surely, 2^42481808 is an apocalyptic number.

It is an amenable number.

42481808 is a deficient number, since it is larger than the sum of its proper divisors (39826726).

42481808 is a wasteful number, since it uses less digits than its factorization.

42481808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655121 (or 2655115 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 35.

The square root of 42481808 is about 6517.8069931534. The cubic root of 42481808 is about 348.9268024365.

The spelling of 42481808 in words is "forty-two million, four hundred eighty-one thousand, eight hundred eight".