442726103 has 4 divisors (see below), whose sum is σ = 461975088. Its totient is φ = 423477120.

The previous prime is 442726079. The next prime is 442726153. The reversal of 442726103 is 301627244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 442726103 - 2²⁶ = 375617239 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 (442726153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9624458 + ... + 9624503.

It is an arithmetic number, because the mean of its divisors is an integer number (115493772).

Almost surely, 2^442726103 is an apocalyptic number.

442726103 is a deficient number, since it is larger than the sum of its proper divisors (19248985).

442726103 is a wasteful number, since it uses less digits than its factorization.

442726103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19248984.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 442726103 is about 21041.0575542200. The cubic root of 442726103 is about 762.1580531788.

The spelling of 442726103 in words is "four hundred forty-two million, seven hundred twenty-six thousand, one hundred three".