2680391532 has 144 divisors (see below), whose sum is σ = 7909329120. Its totient is φ = 700213248.

The previous prime is 2680391531. The next prime is 2680391543. The reversal of 2680391532 is 2351930862.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (2680391531) 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, 831588 + ... + 834804.

Almost surely, 2^2680391532 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 2680391532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3954664560).

2680391532 is an abundant number, since it is smaller than the sum of its proper divisors (5228937588).

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

2680391532 is a wasteful number, since it uses less digits than its factorization.

2680391532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360 (or 3351 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 2680391532 is about 51772.4978342749. The cubic root of 2680391532 is about 1389.0975513052.

The spelling of 2680391532 in words is "two billion, six hundred eighty million, three hundred ninety-one thousand, five hundred thirty-two".