442351542 has 16 divisors (see below), whose sum is σ = 906281712. Its totient is φ = 143854080.

The previous prime is 442351489. The next prime is 442351579. The reversal of 442351542 is 245153244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898843 + ... + 899334.

It is an arithmetic number, because the mean of its divisors is an integer number (56642607).

Almost surely, 2^442351542 is an apocalyptic number.

442351542 is an abundant number, since it is smaller than the sum of its proper divisors (463930170).

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

442351542 is a wasteful number, since it uses less digits than its factorization.

442351542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798223.

The product of its digits is 19200, while the sum is 30.

The square root of 442351542 is about 21032.1549537845. The cubic root of 442351542 is about 761.9430555196.

The spelling of 442351542 in words is "four hundred forty-two million, three hundred fifty-one thousand, five hundred forty-two".