260844992040 has 64 divisors (see below), whose sum is σ = 795798302400. Its totient is φ = 68379702272.

The previous prime is 260844992027. The next prime is 260844992041. The reversal of 260844992040 is 40299448062.

It is not an unprimeable number, because it can be changed into a prime (260844992041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18414177 + ... + 18428336.

It is an arithmetic number, because the mean of its divisors is an integer number (12434348475).

Almost surely, 2^260844992040 is an apocalyptic number.

260844992040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260844992040 is an abundant number, since it is smaller than the sum of its proper divisors (534953310360).

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

260844992040 is a wasteful number, since it uses less digits than its factorization.

260844992040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36842586 (or 36842582 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 260844992040 in words is "two hundred sixty billion, eight hundred forty-four million, nine hundred ninety-two thousand, forty".