545319774720 has 480 divisors, whose sum is σ = 2182704226560. Its totient is φ = 123240775680.

The previous prime is 545319774707. The next prime is 545319774739. The reversal of 545319774720 is 27477913545.

545319774720 is a `hidden beast` number, since 54 + 5 + 31 + 97 + 7 + 472 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14334925 + ... + 14372915.

It is an arithmetic number, because the mean of its divisors is an integer number (4547300472).

Almost surely, 2^545319774720 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 545319774720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1091352113280).

545319774720 is an abundant number, since it is smaller than the sum of its proper divisors (1637384451840).

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

545319774720 is a wasteful number, since it uses less digits than its factorization.

545319774720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38116 (or 38097 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 54.

The spelling of 545319774720 in words is "five hundred forty-five billion, three hundred nineteen million, seven hundred seventy-four thousand, seven hundred twenty".