442653453 has 36 divisors (see below), whose sum is σ = 705597984. Its totient is φ = 267207600.

The previous prime is 442653443. The next prime is 442653487. The reversal of 442653453 is 354356244.

It is not a de Polignac number, because 442653453 - 2¹⁰ = 442652429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442653443) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 338026 + ... + 339332.

It is an arithmetic number, because the mean of its divisors is an integer number (19599944).

Almost surely, 2^442653453 is an apocalyptic number.

It is an amenable number.

442653453 is a deficient number, since it is larger than the sum of its proper divisors (262944531).

442653453 is a wasteful number, since it uses less digits than its factorization.

442653453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646 (or 1632 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

The square root of 442653453 is about 21039.3310967816. The cubic root of 442653453 is about 762.1163616295.

The spelling of 442653453 in words is "four hundred forty-two million, six hundred fifty-three thousand, four hundred fifty-three".