442011538575 has 36 divisors (see below), whose sum is σ = 821013706968. Its totient is φ = 235739484000.

The previous prime is 442011538547. The next prime is 442011538589. The reversal of 442011538575 is 575835110244.

442011538575 is a `hidden beast` number, since 4 + 4 + 20 + 1 + 1 + 53 + 8 + 575 = 666.

It is not a de Polignac number, because 442011538575 - 2⁵ = 442011538543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 442011538575.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 36373476 + ... + 36385625.

Almost surely, 2^442011538575 is an apocalyptic number.

442011538575 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

442011538575 is a deficient number, since it is larger than the sum of its proper divisors (379002168393).

442011538575 is an equidigital number, since it uses as much as digits as its factorization.

442011538575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72759126 (or 72759109 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The spelling of 442011538575 in words is "four hundred forty-two billion, eleven million, five hundred thirty-eight thousand, five hundred seventy-five".