260844440 has 16 divisors (see below), whose sum is σ = 586900080. Its totient is φ = 104337760.

The previous prime is 260844439. The next prime is 260844469. The reversal of 260844440 is 44448062.

260844440 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 260844397 and 260844406.

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, 3260516 + ... + 3260595.

It is an arithmetic number, because the mean of its divisors is an integer number (36681255).

Almost surely, 2^260844440 is an apocalyptic number.

260844440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260844440 is an abundant number, since it is smaller than the sum of its proper divisors (326055640).

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

260844440 is a wasteful number, since it uses less digits than its factorization.

260844440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6521122 (or 6521118 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 260844440 is about 16150.6792426820. The cubic root of 260844440 is about 638.9406629022.

The spelling of 260844440 in words is "two hundred sixty million, eight hundred forty-four thousand, four hundred forty".