442326720 has 112 divisors (see below), whose sum is σ = 1532095488. Its totient is φ = 107228160.

The previous prime is 442326719. The next prime is 442326733. The reversal of 442326720 is 27623244.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 10384 + ... + 31503.

It is an arithmetic number, because the mean of its divisors is an integer number (13679424).

Almost surely, 2^442326720 is an apocalyptic number.

442326720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442326720 is an abundant number, since it is smaller than the sum of its proper divisors (1089768768).

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

442326720 is a wasteful number, since it uses less digits than its factorization.

442326720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41918 (or 41908 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 442326720 is about 21031.5648490549. The cubic root of 442326720 is about 761.9288034279.

Adding to 442326720 its reverse (27623244), we get a palindrome (469949964).

The spelling of 442326720 in words is "four hundred forty-two million, three hundred twenty-six thousand, seven hundred twenty".