442260245 has 16 divisors (see below), whose sum is σ = 638451840. Its totient is φ = 287302464.

The previous prime is 442260173. The next prime is 442260251. The reversal of 442260245 is 542062244.

It is a cyclic number.

It is not a de Polignac number, because 442260245 - 2¹⁸ = 441998101 is a prime.

It is a super-3 number, since 3×442260245³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331862 + ... + 333191.

It is an arithmetic number, because the mean of its divisors is an integer number (39903240).

Almost surely, 2^442260245 is an apocalyptic number.

It is an amenable number.

442260245 is a deficient number, since it is larger than the sum of its proper divisors (196191595).

442260245 is a wasteful number, since it uses less digits than its factorization.

442260245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665084.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 442260245 is about 21029.9844270033. The cubic root of 442260245 is about 761.8906327331.

The spelling of 442260245 in words is "four hundred forty-two million, two hundred sixty thousand, two hundred forty-five".