545747612640 has 288 divisors, whose sum is σ = 1820433605760. Its totient is φ = 137410587648.

The previous prime is 545747612639. The next prime is 545747612647. The reversal of 545747612640 is 46216747545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545747612647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53191831 + ... + 53202089.

It is an arithmetic number, because the mean of its divisors is an integer number (6320950020).

Almost surely, 2^545747612640 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 545747612640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (910216802880).

545747612640 is an abundant number, since it is smaller than the sum of its proper divisors (1274685993120).

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

545747612640 is a wasteful number, since it uses less digits than its factorization.

545747612640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10622 (or 10595 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 51.

The spelling of 545747612640 in words is "five hundred forty-five billion, seven hundred forty-seven million, six hundred twelve thousand, six hundred forty".