454405512 has 128 divisors (see below), whose sum is σ = 1326274560. Its totient is φ = 128209920.

The previous prime is 454405507. The next prime is 454405513. The reversal of 454405512 is 215504454.

It is a self number, because there is not a number n which added to its sum of digits gives 454405512.

It is not an unprimeable number, because it can be changed into a prime (454405513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 461773 + ... + 462755.

It is an arithmetic number, because the mean of its divisors is an integer number (10361520).

Almost surely, 2^454405512 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 454405512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663137280).

454405512 is an abundant number, since it is smaller than the sum of its proper divisors (871869048).

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

454405512 is a wasteful number, since it uses less digits than its factorization.

454405512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123 (or 1119 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 454405512 is about 21316.7894393129. The cubic root of 454405512 is about 768.8020456799.

Adding to 454405512 its reverse (215504454), we get a palindrome (669909966).

The spelling of 454405512 in words is "four hundred fifty-four million, four hundred five thousand, five hundred twelve".