442725221375 has 32 divisors (see below), whose sum is σ = 560929484544. Its totient is φ = 348793236000.

The previous prime is 442725221363. The next prime is 442725221399. The reversal of 442725221375 is 573122527244.

It is a Cunningham number, because it is equal to 665376²-1.

It is not a de Polignac number, because 442725221375 - 2⁶ = 442725221311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44575160 + ... + 44585090.

It is an arithmetic number, because the mean of its divisors is an integer number (17529046392).

Almost surely, 2^442725221375 is an apocalyptic number.

442725221375 is a deficient number, since it is larger than the sum of its proper divisors (118204263169).

442725221375 is an equidigital number, since it uses as much as digits as its factorization.

442725221375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15336 (or 15326 counting only the distinct ones).

The product of its digits is 940800, while the sum is 44.

The spelling of 442725221375 in words is "four hundred forty-two billion, seven hundred twenty-five million, two hundred twenty-one thousand, three hundred seventy-five".