442405080 has 96 divisors (see below), whose sum is σ = 1548434160. Its totient is φ = 108898560.

The previous prime is 442405079. The next prime is 442405091. The reversal of 442405080 is 80504244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42586 + ... + 51945.

Almost surely, 2^442405080 is an apocalyptic number.

442405080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442405080 is an abundant number, since it is smaller than the sum of its proper divisors (1106029080).

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

442405080 is a wasteful number, since it uses less digits than its factorization.

442405080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94561 (or 94554 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 442405080 is about 21033.4276807181. The cubic root of 442405080 is about 761.9737937130.

The spelling of 442405080 in words is "four hundred forty-two million, four hundred five thousand, eighty".