452340721560 has 128 divisors (see below), whose sum is σ = 1670181166080. Its totient is φ = 95438919168.

The previous prime is 452340721541. The next prime is 452340721561. The reversal of 452340721560 is 65127043254.

It is a super-2 number, since 2×452340721560² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452340721561) 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, 20700652 + ... + 20722491.

It is an arithmetic number, because the mean of its divisors is an integer number (13048290360).

Almost surely, 2^452340721560 is an apocalyptic number.

452340721560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452340721560 is an abundant number, since it is smaller than the sum of its proper divisors (1217840444520).

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

452340721560 is a wasteful number, since it uses less digits than its factorization.

452340721560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41423177 (or 41423173 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 452340721560 in words is "four hundred fifty-two billion, three hundred forty million, seven hundred twenty-one thousand, five hundred sixty".