2684139360 has 192 divisors, whose sum is σ = 9685412352. Its totient is φ = 612089856.

The previous prime is 2684139349. The next prime is 2684139361. The reversal of 2684139360 is 639314862.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2684139361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2260687 + ... + 2261873.

It is an arithmetic number, because the mean of its divisors is an integer number (50444856).

Almost surely, 2^2684139360 is an apocalyptic number.

2684139360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2684139360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4842706176).

2684139360 is an abundant number, since it is smaller than the sum of its proper divisors (7001272992).

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

2684139360 is a wasteful number, since it uses less digits than its factorization.

2684139360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885 (or 1877 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 2684139360 is about 51808.6803537786. The cubic root of 2684139360 is about 1389.7446799133.

The spelling of 2684139360 in words is "two billion, six hundred eighty-four million, one hundred thirty-nine thousand, three hundred sixty".