260744209540 has 48 divisors (see below), whose sum is σ = 561131206272. Its totient is φ = 101743462656.

The previous prime is 260744209519. The next prime is 260744209541. The reversal of 260744209540 is 45902447062.

It is not an unprimeable number, because it can be changed into a prime (260744209541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 806569 + ... + 1082608.

It is an arithmetic number, because the mean of its divisors is an integer number (11690233464).

Almost surely, 2^260744209540 is an apocalyptic number.

260744209540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260744209540 is an abundant number, since it is smaller than the sum of its proper divisors (300386996732).

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

260744209540 is a wasteful number, since it uses less digits than its factorization.

260744209540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889356 (or 1889354 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 260744209540 in words is "two hundred sixty billion, seven hundred forty-four million, two hundred nine thousand, five hundred forty".