260060840 has 64 divisors (see below), whose sum is σ = 632394000. Its totient is φ = 95680512.

The previous prime is 260060831. The next prime is 260060863. The reversal of 260060840 is 48060062.

It can be written as a sum of positive squares in 8 ways, for example, as 139192804 + 120868036 = 11798^2 + 10994^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180764 + ... + 182196.

Almost surely, 2^260060840 is an apocalyptic number.

260060840 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 260060840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316197000).

260060840 is an abundant number, since it is smaller than the sum of its proper divisors (372333160).

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

260060840 is a wasteful number, since it uses less digits than its factorization.

260060840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806 (or 1802 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 260060840 is about 16126.4019545589. The cubic root of 260060840 is about 638.3002095369.

The spelling of 260060840 in words is "two hundred sixty million, sixty thousand, eight hundred forty".