260290885040 has 40 divisors (see below), whose sum is σ = 626044461840. Its totient is φ = 100526134016.

The previous prime is 260290885037. The next prime is 260290885067. The reversal of 260290885040 is 40588092062.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 260290884982 and 260290885000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56094854 + ... + 56099493.

It is an arithmetic number, because the mean of its divisors is an integer number (15651111546).

Almost surely, 2^260290885040 is an apocalyptic number.

260290885040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260290885040 is an abundant number, since it is smaller than the sum of its proper divisors (365753576800).

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

260290885040 is a wasteful number, since it uses less digits than its factorization.

260290885040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112194389 (or 112194383 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 260290885040 in words is "two hundred sixty billion, two hundred ninety million, eight hundred eighty-five thousand, forty".