539445312 has 336 divisors, whose sum is σ = 1931944320. Its totient is φ = 146893824.

The previous prime is 539445307. The next prime is 539445317. The reversal of 539445312 is 213544935.

It is an interprime number because it is at equal distance from previous prime (539445307) and next prime (539445317).

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (539445317) 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, 1947318 + ... + 1947594.

Almost surely, 2^539445312 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 539445312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (965972160).

539445312 is an abundant number, since it is smaller than the sum of its proper divisors (1392499008).

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

539445312 is a wasteful number, since it uses less digits than its factorization.

539445312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 312 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 539445312 is about 23225.9620252854. The cubic root of 539445312 is about 814.0463644767.

The spelling of 539445312 in words is "five hundred thirty-nine million, four hundred forty-five thousand, three hundred twelve".