454276992128 has 128 divisors (see below), whose sum is σ = 935926867200. Its totient is φ = 219469824000.

The previous prime is 454276992121. The next prime is 454276992131. The reversal of 454276992128 is 821299672454.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (454276992121) 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, 604895753 + ... + 604896503.

It is an arithmetic number, because the mean of its divisors is an integer number (7311928650).

Almost surely, 2^454276992128 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 454276992128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467963433600).

454276992128 is an abundant number, since it is smaller than the sum of its proper divisors (481649875072).

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

454276992128 is a wasteful number, since it uses less digits than its factorization.

454276992128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518 (or 1506 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 59.

The spelling of 454276992128 in words is "four hundred fifty-four billion, two hundred seventy-six million, nine hundred ninety-two thousand, one hundred twenty-eight".