442082580 has 48 divisors (see below), whose sum is σ = 1251754560. Its totient is φ = 116562688.

The previous prime is 442082573. The next prime is 442082581. The reversal of 442082580 is 85280244.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442082581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36054 + ... + 46733.

It is an arithmetic number, because the mean of its divisors is an integer number (26078220).

Almost surely, 2^442082580 is an apocalyptic number.

It is an amenable number.

442082580 is an abundant number, since it is smaller than the sum of its proper divisors (809671980).

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

442082580 is a wasteful number, since it uses less digits than its factorization.

442082580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82888 (or 82886 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 442082580 is about 21025.7599149234. The cubic root of 442082580 is about 761.7885967104.

The spelling of 442082580 in words is "four hundred forty-two million, eighty-two thousand, five hundred eighty".