260878797940 has 12 divisors (see below), whose sum is σ = 547845475716. Its totient is φ = 104351519168.

The previous prime is 260878797937. The next prime is 260878797967. The reversal of 260878797940 is 49797878062.

It can be written as a sum of positive squares in 2 ways, for example, as 49905772816 + 210973025124 = 223396^2 + 459318^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6521969929 + ... + 6521969968.

It is an arithmetic number, because the mean of its divisors is an integer number (45653789643).

Almost surely, 2^260878797940 is an apocalyptic number.

260878797940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260878797940 is an abundant number, since it is smaller than the sum of its proper divisors (286966677776).

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

260878797940 is a wasteful number, since it uses less digits than its factorization.

260878797940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13043939906 (or 13043939904 counting only the distinct ones).

The product of its (nonzero) digits is 85349376, while the sum is 67.

The spelling of 260878797940 in words is "two hundred sixty billion, eight hundred seventy-eight million, seven hundred ninety-seven thousand, nine hundred forty".