42329910 has 96 divisors (see below), whose sum is σ = 123413760. Its totient is φ = 9077184.

The previous prime is 42329909. The next prime is 42329921. The reversal of 42329910 is 1992324.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 in 47 ways as a sum of consecutive naturals, for example, 410919 + ... + 411021.

It is an arithmetic number, because the mean of its divisors is an integer number (1285560).

Almost surely, 2^42329910 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42329910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61706880).

42329910 is an abundant number, since it is smaller than the sum of its proper divisors (81083850).

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

42329910 is a wasteful number, since it uses less digits than its factorization.

42329910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 42329910 is about 6506.1440193097. The cubic root of 42329910 is about 348.5104314281.

The spelling of 42329910 in words is "forty-two million, three hundred twenty-nine thousand, nine hundred ten".