6455453760 has 560 divisors, whose sum is σ = 26837420544. Its totient is φ = 1442230272.

The previous prime is 6455453749. The next prime is 6455453761. The reversal of 6455453760 is 673545546.

6455453760 is a `hidden beast` number, since 6 + 4 + 5 + 54 + 537 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (560).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (6455453761) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8527302 + ... + 8528058.

Almost surely, 2^6455453760 is an apocalyptic number.

6455453760 is a gapful number since it is divisible by the number (60) 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 6455453760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13418710272).

6455453760 is an abundant number, since it is smaller than the sum of its proper divisors (20381966784).

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

6455453760 is a wasteful number, since it uses less digits than its factorization.

6455453760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 821 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 45.

The square root of 6455453760 is about 80345.8384734393. The cubic root of 6455453760 is about 1861.9824855878.

The spelling of 6455453760 in words is "six billion, four hundred fifty-five million, four hundred fifty-three thousand, seven hundred sixty".