454550046440 has 96 divisors (see below), whose sum is σ = 1190130861600. Its totient is φ = 155791278720.

The previous prime is 454550046427. The next prime is 454550046451. The reversal of 454550046440 is 44640055454.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5784131 + ... + 5862189.

It is an arithmetic number, because the mean of its divisors is an integer number (12397196475).

Almost surely, 2^454550046440 is an apocalyptic number.

454550046440 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 454550046440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595065430800).

454550046440 is an abundant number, since it is smaller than the sum of its proper divisors (735580815160).

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

454550046440 is a wasteful number, since it uses less digits than its factorization.

454550046440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81055 (or 81044 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 41.

The spelling of 454550046440 in words is "four hundred fifty-four billion, five hundred fifty million, forty-six thousand, four hundred forty".