260060640 has 144 divisors (see below), whose sum is σ = 953022672. Its totient is φ = 59437056.

The previous prime is 260060639. The next prime is 260060641. The reversal of 260060640 is 46060062.

It is an interprime number because it is at equal distance from previous prime (260060639) and next prime (260060641).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 260060640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260060641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17992 + ... + 29048.

It is an arithmetic number, because the mean of its divisors is an integer number (6618213).

Almost surely, 2^260060640 is an apocalyptic number.

260060640 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 260060640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (476511336).

260060640 is an abundant number, since it is smaller than the sum of its proper divisors (692962032).

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

260060640 is a wasteful number, since it uses less digits than its factorization.

260060640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11089 (or 11074 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 260060640 is about 16126.3957535464. The cubic root of 260060640 is about 638.3000459084.

The spelling of 260060640 in words is "two hundred sixty million, sixty thousand, six hundred forty".