260550540 has 48 divisors (see below), whose sum is σ = 810603360. Its totient is φ = 69480000.

The previous prime is 260550523. The next prime is 260550557. The reversal of 260550540 is 45055062.

260550540 is a `hidden beast` number, since 2 + 60 + 550 + 54 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (260550523) and next prime (260550557).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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, 240711 + ... + 241790.

It is an arithmetic number, because the mean of its divisors is an integer number (16887570).

Almost surely, 2^260550540 is an apocalyptic number.

260550540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260550540 is an abundant number, since it is smaller than the sum of its proper divisors (550052820).

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

260550540 is a wasteful number, since it uses less digits than its factorization.

260550540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482519 (or 482511 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 260550540 is about 16141.5779897753. The cubic root of 260550540 is about 638.7006025400.

The spelling of 260550540 in words is "two hundred sixty million, five hundred fifty thousand, five hundred forty".