454642625416 has 128 divisors (see below), whose sum is σ = 1065789204480. Its totient is φ = 177379808256.

The previous prime is 454642625363. The next prime is 454642625417. The reversal of 454642625416 is 614526246454.

It is a self number, because there is not a number n which added to its sum of digits gives 454642625416.

It is not an unprimeable number, because it can be changed into a prime (454642625417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4162495 + ... + 4270321.

It is an arithmetic number, because the mean of its divisors is an integer number (8326478160).

Almost surely, 2^454642625416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454642625416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532894602240).

454642625416 is an abundant number, since it is smaller than the sum of its proper divisors (611146579064).

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

454642625416 is a wasteful number, since it uses less digits than its factorization.

454642625416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108003 (or 107999 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 49.

The spelling of 454642625416 in words is "four hundred fifty-four billion, six hundred forty-two million, six hundred twenty-five thousand, four hundred sixteen".