453794861520 has 1920 divisors, whose sum is σ = 2225457561600. Its totient is φ = 79725772800.

The previous prime is 453794861503. The next prime is 453794861521. The reversal of 453794861520 is 25168497354.

It is a happy number.

453794861520 is a `hidden beast` number, since 4 + 5 + 3 + 7 + 9 + 486 + 152 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453794861521) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 424503546 + ... + 424504614.

It is an arithmetic number, because the mean of its divisors is an integer number (1159092480).

It is a 1-persistent number, because it is pandigital, but 2⋅453794861520 = 907589723040 is not.

Almost surely, 2^453794861520 is an apocalyptic number.

453794861520 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 453794861520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1112728780800).

453794861520 is an abundant number, since it is smaller than the sum of its proper divisors (1771662700080).

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

453794861520 is a wasteful number, since it uses less digits than its factorization.

453794861520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169 (or 1160 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 453794861520 in words is "four hundred fifty-three billion, seven hundred ninety-four million, eight hundred sixty-one thousand, five hundred twenty".