442574432553 has 128 divisors (see below), whose sum is σ = 697761792000. Its totient is φ = 246707285760.

The previous prime is 442574432519. The next prime is 442574432561. The reversal of 442574432553 is 355234475244.

It is not a de Polignac number, because 442574432553 - 2²⁰ = 442573383977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442574432593) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1137723283 + ... + 1137723671.

It is an arithmetic number, because the mean of its divisors is an integer number (5451264000).

Almost surely, 2^442574432553 is an apocalyptic number.

It is an amenable number.

442574432553 is a deficient number, since it is larger than the sum of its proper divisors (255187359447).

442574432553 is a wasteful number, since it uses less digits than its factorization.

442574432553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827.

The product of its digits is 8064000, while the sum is 48.

The spelling of 442574432553 in words is "four hundred forty-two billion, five hundred seventy-four million, four hundred thirty-two thousand, five hundred fifty-three".