442032130 has 32 divisors (see below), whose sum is σ = 856759680. Its totient is φ = 163587840.

The previous prime is 442032109. The next prime is 442032163. The reversal of 442032130 is 31230244.

It is a junction number, because it is equal to n+sod(n) for n = 442032098 and 442032107.

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, 12006 + ... + 32065.

It is an arithmetic number, because the mean of its divisors is an integer number (26773740).

Almost surely, 2^442032130 is an apocalyptic number.

442032130 is a deficient number, since it is larger than the sum of its proper divisors (414727550).

442032130 is a wasteful number, since it uses less digits than its factorization.

442032130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44154.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 442032130 is about 21024.5601618678. The cubic root of 442032130 is about 761.7596174364.

Adding to 442032130 its reverse (31230244), we get a palindrome (473262374).

The spelling of 442032130 in words is "four hundred forty-two million, thirty-two thousand, one hundred thirty".