454402202255320 has 128 divisors (see below), whose sum is σ = 1154158562016000. Its totient is φ = 159491305684480.

The previous prime is 454402202255299. The next prime is 454402202255387. The reversal of 454402202255320 is 23552202204454.

It is a super-2 number, since 2×454402202255320² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37043151 + ... + 47759809.

It is an arithmetic number, because the mean of its divisors is an integer number (9016863765750).

Almost surely, 2^{454402202255320} is an apocalyptic number.

454402202255320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454402202255320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577079281008000).

454402202255320 is an abundant number, since it is smaller than the sum of its proper divisors (699756359760680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

454402202255320 is a wasteful number, since it uses less digits than its factorization.

454402202255320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10720033 (or 10720029 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 40.

Adding to 454402202255320 its reverse (23552202204454), we get a palindrome (477954404459774).

The spelling of 454402202255320 in words is "four hundred fifty-four trillion, four hundred two billion, two hundred two million, two hundred fifty-five thousand, three hundred twenty".