539967780 has 288 divisors, whose sum is σ = 1902071808. Its totient is φ = 122707200.

The previous prime is 539967761. The next prime is 539967781. The reversal of 539967780 is 87769935.

It is not an unprimeable number, because it can be changed into a prime (539967781) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3233257 + ... + 3233423.

It is an arithmetic number, because the mean of its divisors is an integer number (6604416).

Almost surely, 2^539967780 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 539967780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (951035904).

539967780 is an abundant number, since it is smaller than the sum of its proper divisors (1362104028).

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

539967780 is a wasteful number, since it uses less digits than its factorization.

539967780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The square root of 539967780 is about 23237.2068028840. The cubic root of 539967780 is about 814.3090886312.

It can be divided in two parts, 53996 and 7780, that added together give a triangular number (61776 = T₃₅₁).

The spelling of 539967780 in words is "five hundred thirty-nine million, nine hundred sixty-seven thousand, seven hundred eighty".