442682604 has 192 divisors, whose sum is σ = 1459118080. Its totient is φ = 112907520.

The previous prime is 442682579. The next prime is 442682621. The reversal of 442682604 is 406286244.

It is a happy number.

442682604 is a `hidden beast` number, since 4 + 42 + 6 + 8 + 2 + 604 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 303942 + ... + 305394.

Almost surely, 2^442682604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442682604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (729559040).

442682604 is an abundant number, since it is smaller than the sum of its proper divisors (1016435476).

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

442682604 is a wasteful number, since it uses less digits than its factorization.

442682604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517 (or 1509 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The square root of 442682604 is about 21040.0238593021. The cubic root of 442682604 is about 762.1330910192.

The spelling of 442682604 in words is "four hundred forty-two million, six hundred eighty-two thousand, six hundred four".