260140540 has 96 divisors (see below), whose sum is σ = 617912064. Its totient is φ = 91176960.

The previous prime is 260140493. The next prime is 260140597. The reversal of 260140540 is 45041062.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1012092 + ... + 1012348.

It is an arithmetic number, because the mean of its divisors is an integer number (6436584).

Almost surely, 2^260140540 is an apocalyptic number.

260140540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260140540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308956032).

260140540 is an abundant number, since it is smaller than the sum of its proper divisors (357771524).

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

260140540 is a wasteful number, since it uses less digits than its factorization.

260140540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 260140540 is about 16128.8728682447. The cubic root of 260140540 is about 638.3654088068.

The spelling of 260140540 in words is "two hundred sixty million, one hundred forty thousand, five hundred forty".