442031522403 has 16 divisors (see below), whose sum is σ = 633358604160. Its totient is φ = 273213511296.

The previous prime is 442031522399. The next prime is 442031522407. The reversal of 442031522403 is 304225130244.

It is an interprime number because it is at equal distance from previous prime (442031522399) and next prime (442031522407).

It is not a de Polignac number, because 442031522403 - 2² = 442031522399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442031522407) 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 15 ways as a sum of consecutive naturals, for example, 64677813 + ... + 64684646.

It is an arithmetic number, because the mean of its divisors is an integer number (39584912760).

Almost surely, 2^442031522403 is an apocalyptic number.

442031522403 is a deficient number, since it is larger than the sum of its proper divisors (191327081757).

442031522403 is a wasteful number, since it uses less digits than its factorization.

442031522403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129362546.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 442031522403 its reverse (304225130244), we get a palindrome (746256652647).

The spelling of 442031522403 in words is "four hundred forty-two billion, thirty-one million, five hundred twenty-two thousand, four hundred three".