453415726520 has 64 divisors (see below), whose sum is σ = 1066229706240. Its totient is φ = 173205648000.

The previous prime is 453415726513. The next prime is 453415726531. The reversal of 453415726520 is 25627514354.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189995 + ... + 971045.

It is an arithmetic number, because the mean of its divisors is an integer number (16659839160).

Almost surely, 2^453415726520 is an apocalyptic number.

453415726520 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 453415726520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533114853120).

453415726520 is an abundant number, since it is smaller than the sum of its proper divisors (612813979720).

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

453415726520 is a wasteful number, since it uses less digits than its factorization.

453415726520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781716 (or 781712 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 44.

The spelling of 453415726520 in words is "four hundred fifty-three billion, four hundred fifteen million, seven hundred twenty-six thousand, five hundred twenty".