442351053 has 12 divisors (see below), whose sum is σ = 639235168. Its totient is φ = 294769800.

The previous prime is 442351003. The next prime is 442351057. The reversal of 442351053 is 350153244.

It is not a de Polignac number, because 442351053 - 2¹³ = 442342861 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 (442351057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13326 + ... + 32592.

Almost surely, 2^442351053 is an apocalyptic number.

It is an amenable number.

442351053 is a deficient number, since it is larger than the sum of its proper divisors (196884115).

442351053 is a wasteful number, since it uses less digits than its factorization.

442351053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21824 (or 21821 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 442351053 is about 21032.1433287243. The cubic root of 442351053 is about 761.9427747548.

The spelling of 442351053 in words is "four hundred forty-two million, three hundred fifty-one thousand, fifty-three".