442550541 has 4 divisors (see below), whose sum is σ = 590067392. Its totient is φ = 295033692.

The previous prime is 442550503. The next prime is 442550587. The reversal of 442550541 is 145055244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 442550541 - 2¹⁰ = 442549517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442550499 and 442550508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442550441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73758421 + ... + 73758426.

It is an arithmetic number, because the mean of its divisors is an integer number (147516848).

Almost surely, 2^442550541 is an apocalyptic number.

It is an amenable number.

442550541 is a deficient number, since it is larger than the sum of its proper divisors (147516851).

442550541 is a wasteful number, since it uses less digits than its factorization.

442550541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147516850.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 442550541 is about 21036.8852494850. The cubic root of 442550541 is about 762.0572958619.

The spelling of 442550541 in words is "four hundred forty-two million, five hundred fifty thousand, five hundred forty-one".