442300014521 has 8 divisors (see below), whose sum is σ = 468896561640. Its totient is φ = 415767789568.

The previous prime is 442300014503. The next prime is 442300014547. The reversal of 442300014521 is 125410003244.

It can be written as a sum of positive squares in 4 ways, for example, as 367969626025 + 74330388496 = 606605^2 + 272636^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 442300014521 - 2³⁴ = 425120145337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442300014581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16066376 + ... + 16093881.

It is an arithmetic number, because the mean of its divisors is an integer number (58612070205).

Almost surely, 2^442300014521 is an apocalyptic number.

It is an amenable number.

442300014521 is a deficient number, since it is larger than the sum of its proper divisors (26596547119).

442300014521 is a wasteful number, since it uses less digits than its factorization.

442300014521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32161083.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 442300014521 its reverse (125410003244), we get a palindrome (567710017765).

The spelling of 442300014521 in words is "four hundred forty-two billion, three hundred million, fourteen thousand, five hundred twenty-one".