260219540 has 24 divisors (see below), whose sum is σ = 624527232. Its totient is φ = 89218080.

The previous prime is 260219513. The next prime is 260219543. The reversal of 260219540 is 45912062.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260219543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929216 + ... + 929495.

It is an arithmetic number, because the mean of its divisors is an integer number (26021968).

Almost surely, 2^260219540 is an apocalyptic number.

260219540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260219540 is an abundant number, since it is smaller than the sum of its proper divisors (364307692).

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

260219540 is a wasteful number, since it uses less digits than its factorization.

260219540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858727 (or 1858725 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 260219540 is about 16131.3217065435. The cubic root of 260219540 is about 638.4300222950.

The spelling of 260219540 in words is "two hundred sixty million, two hundred nineteen thousand, five hundred forty".