539312340 has 144 divisors (see below), whose sum is σ = 1821923712. Its totient is φ = 116750592.

The previous prime is 539312317. The next prime is 539312351. The reversal of 539312340 is 43213935.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 539312298 and 539312307.

It is a congruent number.

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, 149842 + ... + 153398.

It is an arithmetic number, because the mean of its divisors is an integer number (12652248).

Almost surely, 2^539312340 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 539312340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (910961856).

539312340 is an abundant number, since it is smaller than the sum of its proper divisors (1282611372).

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

539312340 is a wasteful number, since it uses less digits than its factorization.

539312340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614 (or 3593 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 539312340 is about 23223.0992763671. The cubic root of 539312340 is about 813.9794721424.

The spelling of 539312340 in words is "five hundred thirty-nine million, three hundred twelve thousand, three hundred forty".