2592778340 has 12 divisors (see below), whose sum is σ = 5444834556. Its totient is φ = 1037111328.

The previous prime is 2592778301. The next prime is 2592778393. The reversal of 2592778340 is 438772952.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 847042816 + 1745735524 = 29104^2 + 41782^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64819439 + ... + 64819478.

It is an arithmetic number, because the mean of its divisors is an integer number (453736213).

Almost surely, 2^2592778340 is an apocalyptic number.

2592778340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2592778340 is an abundant number, since it is smaller than the sum of its proper divisors (2852056216).

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

2592778340 is a wasteful number, since it uses less digits than its factorization.

2592778340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129638926 (or 129638924 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 2592778340 is about 50919.3316923936. The cubic root of 2592778340 is about 1373.7945737362.

The spelling of 2592778340 in words is "two billion, five hundred ninety-two million, seven hundred seventy-eight thousand, three hundred forty".