2684040740 has 12 divisors (see below), whose sum is σ = 5636485596. Its totient is φ = 1073616288.

The previous prime is 2684040727. The next prime is 2684040763. The reversal of 2684040740 is 470404862.

It can be written as a sum of positive squares in 2 ways, for example, as 1326707776 + 1357332964 = 36424^2 + 36842^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2684040740.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67100999 + ... + 67101038.

It is an arithmetic number, because the mean of its divisors is an integer number (469707133).

Almost surely, 2^2684040740 is an apocalyptic number.

2684040740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2684040740 is an abundant number, since it is smaller than the sum of its proper divisors (2952444856).

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

2684040740 is a wasteful number, since it uses less digits than its factorization.

2684040740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134202046 (or 134202044 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 2684040740 is about 51807.7285740265. The cubic root of 2684040740 is about 1389.7276591504.

The spelling of 2684040740 in words is "two billion, six hundred eighty-four million, forty thousand, seven hundred forty".