450253001320 has 128 divisors (see below), whose sum is σ = 1060589376000. Its totient is φ = 171887339520.

The previous prime is 450253001299. The next prime is 450253001347. The reversal of 450253001320 is 23100352054.

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, 14106099 + ... + 14137981.

It is an arithmetic number, because the mean of its divisors is an integer number (8285854500).

Almost surely, 2^450253001320 is an apocalyptic number.

450253001320 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 450253001320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530294688000).

450253001320 is an abundant number, since it is smaller than the sum of its proper divisors (610336374680).

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

450253001320 is a wasteful number, since it uses less digits than its factorization.

450253001320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32123 (or 32119 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 450253001320 its reverse (23100352054), we get a palindrome (473353353374).

The spelling of 450253001320 in words is "four hundred fifty billion, two hundred fifty-three million, one thousand, three hundred twenty".