453511321340 has 192 divisors, whose sum is σ = 1218442272768. Its totient is φ = 137667686400.

The previous prime is 453511321331. The next prime is 453511321369. The reversal of 453511321340 is 43123115354.

It is a junction number, because it is equal to n+sod(n) for n = 453511321297 and 453511321306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38320064 + ... + 38331896.

It is an arithmetic number, because the mean of its divisors is an integer number (6346053504).

Almost surely, 2^453511321340 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 453511321340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (609221136384).

453511321340 is an abundant number, since it is smaller than the sum of its proper divisors (764930951428).

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

453511321340 is a wasteful number, since it uses less digits than its factorization.

453511321340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12508 (or 12506 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 453511321340 its reverse (43123115354), we get a palindrome (496634436694).

The spelling of 453511321340 in words is "four hundred fifty-three billion, five hundred eleven million, three hundred twenty-one thousand, three hundred forty".