442012550 has 24 divisors (see below), whose sum is σ = 939593136. Its totient is φ = 151547040.

The previous prime is 442012547. The next prime is 442012573. The reversal of 442012550 is 55210244.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 631097 + ... + 631796.

It is an arithmetic number, because the mean of its divisors is an integer number (39149714).

Almost surely, 2^442012550 is an apocalyptic number.

442012550 is an abundant number, since it is smaller than the sum of its proper divisors (497580586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442012550 is a wasteful number, since it uses less digits than its factorization.

442012550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262912 (or 1262907 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 442012550 is about 21024.0945108226. The cubic root of 442012550 is about 761.7483697822.

Adding to 442012550 its reverse (55210244), we get a palindrome (497222794).

The spelling of 442012550 in words is "four hundred forty-two million, twelve thousand, five hundred fifty".