442454214555 has 48 divisors (see below), whose sum is σ = 788037968640. Its totient is φ = 229484254464.

The previous prime is 442454214533. The next prime is 442454214581. The reversal of 442454214555 is 555412454244.

442454214555 is a `hidden beast` number, since 4 + 4 + 2 + 45 + 42 + 14 + 555 = 666.

It is not a de Polignac number, because 442454214555 - 2⁵ = 442454214523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 442454214555.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 3353526 + ... + 3482964.

It is an arithmetic number, because the mean of its divisors is an integer number (16417457680).

Almost surely, 2^442454214555 is an apocalyptic number.

442454214555 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

442454214555 is a deficient number, since it is larger than the sum of its proper divisors (345583754085).

442454214555 is a wasteful number, since it uses less digits than its factorization.

442454214555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131540 (or 131537 counting only the distinct ones).

The product of its digits is 2560000, while the sum is 45.

Adding to 442454214555 its reverse (555412454244), we get a palindrome (997866668799).

The spelling of 442454214555 in words is "four hundred forty-two billion, four hundred fifty-four million, two hundred fourteen thousand, five hundred fifty-five".