442331020454 has 32 divisors (see below), whose sum is σ = 699571814400. Its totient is φ = 209343420000.

The previous prime is 442331020409. The next prime is 442331020457. The reversal of 442331020454 is 454020133244.

It is a super-2 number, since 2×442331020454² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 442331020454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442331020457) 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, 9039947 + ... + 9088745.

It is an arithmetic number, because the mean of its divisors is an integer number (21861619200).

Almost surely, 2^442331020454 is an apocalyptic number.

442331020454 is a deficient number, since it is larger than the sum of its proper divisors (257240793946).

442331020454 is a wasteful number, since it uses less digits than its factorization.

442331020454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50876.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 442331020454 its reverse (454020133244), we get a palindrome (896351153698).

The spelling of 442331020454 in words is "four hundred forty-two billion, three hundred thirty-one million, twenty thousand, four hundred fifty-four".