539913144540 has 192 divisors, whose sum is σ = 1896353464320. Its totient is φ = 111501308160.

The previous prime is 539913144523. The next prime is 539913144611. The reversal of 539913144540 is 45441319935.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 539913144540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 394581 + ... + 1111539.

It is an arithmetic number, because the mean of its divisors is an integer number (9876840960).

Almost surely, 2^539913144540 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 539913144540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (948176732160).

539913144540 is an abundant number, since it is smaller than the sum of its proper divisors (1356440319780).

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

539913144540 is a wasteful number, since it uses less digits than its factorization.

539913144540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717152 (or 717150 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 539913144540 in words is "five hundred thirty-nine billion, nine hundred thirteen million, one hundred forty-four thousand, five hundred forty".