442011533557 has 8 divisors (see below), whose sum is σ = 483235862400. Its totient is φ = 400960781760.

The previous prime is 442011533543. The next prime is 442011533563. The reversal of 442011533557 is 755335110244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 442011533557 - 2¹⁹ = 442011009269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442011533507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43388932 + ... + 43399117.

It is an arithmetic number, because the mean of its divisors is an integer number (60404482800).

Almost surely, 2^442011533557 is an apocalyptic number.

It is an amenable number.

442011533557 is a deficient number, since it is larger than the sum of its proper divisors (41224328843).

442011533557 is a wasteful number, since it uses less digits than its factorization.

442011533557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86788523.

The product of its (nonzero) digits is 252000, while the sum is 40.

The spelling of 442011533557 in words is "four hundred forty-two billion, eleven million, five hundred thirty-three thousand, five hundred fifty-seven".