442520435 has 16 divisors (see below), whose sum is σ = 612562176. Its totient is φ = 300604128.

The previous prime is 442520423. The next prime is 442520453. The reversal of 442520435 is 534025244.

It is a cyclic number.

It is not a de Polignac number, because 442520435 - 2²⁶ = 375411571 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442520398 and 442520407.

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, 55337 + ... + 62826.

It is an arithmetic number, because the mean of its divisors is an integer number (38285136).

Almost surely, 2^442520435 is an apocalyptic number.

442520435 is a deficient number, since it is larger than the sum of its proper divisors (170041741).

442520435 is a wasteful number, since it uses less digits than its factorization.

442520435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118282.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 442520435 is about 21036.1696846170. The cubic root of 442520435 is about 762.0400149602.

Adding to 442520435 its reverse (534025244), we get a palindrome (976545679).

The spelling of 442520435 in words is "four hundred forty-two million, five hundred twenty thousand, four hundred thirty-five".