442252455 has 16 divisors (see below), whose sum is σ = 744846720. Its totient is φ = 223453728.

The previous prime is 442252429. The next prime is 442252457. The reversal of 442252455 is 554252244.

It is not a de Polignac number, because 442252455 - 2⁵ = 442252423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442252457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 775597 + ... + 776166.

It is an arithmetic number, because the mean of its divisors is an integer number (46552920).

Almost surely, 2^442252455 is an apocalyptic number.

442252455 is a deficient number, since it is larger than the sum of its proper divisors (302594265).

442252455 is a wasteful number, since it uses less digits than its factorization.

442252455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551790.

The product of its digits is 64000, while the sum is 33.

The square root of 442252455 is about 21029.7992144481. The cubic root of 442252455 is about 761.8861593768.

The spelling of 442252455 in words is "four hundred forty-two million, two hundred fifty-two thousand, four hundred fifty-five".