539745223680 has 1584 divisors, whose sum is σ = 2238399805824. Its totient is φ = 124216934400.

The previous prime is 539745223679. The next prime is 539745223681. The reversal of 539745223680 is 86322547935.

539745223680 is a `hidden beast` number, since 5 + 3 + 9 + 7 + 4 + 522 + 36 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (539745223679) and next prime (539745223681).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (539745223681) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3574471605 + ... + 3574471755.

Almost surely, 2^539745223680 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 539745223680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1119199902912).

539745223680 is an abundant number, since it is smaller than the sum of its proper divisors (1698654582144).

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

539745223680 is a wasteful number, since it uses less digits than its factorization.

539745223680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 539745223680 in words is "five hundred thirty-nine billion, seven hundred forty-five million, two hundred twenty-three thousand, six hundred eighty".