2439661263216 has 40 divisors (see below), whose sum is σ = 6360278994960. Its totient is φ = 805759681536.

The previous prime is 2439661263199. The next prime is 2439661263223. The reversal of 2439661263216 is 6123621669342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233142825 + ... + 233153288.

It is an arithmetic number, because the mean of its divisors is an integer number (159006974874).

Almost surely, 2^{2439661263216} is an apocalyptic number.

It is an amenable number.

2439661263216 is an abundant number, since it is smaller than the sum of its proper divisors (3920617731744).

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

2439661263216 is a wasteful number, since it uses less digits than its factorization.

2439661263216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466296233 (or 466296227 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 51.

It can be divided in two parts, 243966126 and 3216, that added together give a palindrome (243969342).

The spelling of 2439661263216 in words is "two trillion, four hundred thirty-nine billion, six hundred sixty-one million, two hundred sixty-three thousand, two hundred sixteen".