260143380 has 96 divisors (see below), whose sum is σ = 924967680. Its totient is φ = 59460480.

The previous prime is 260143357. The next prime is 260143423. The reversal of 260143380 is 83341062.

It is a happy number.

It is a super-4 number, since 4×260143380⁴ (a number of 35 digits) contains 4444 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30631 + ... + 38190.

It is an arithmetic number, because the mean of its divisors is an integer number (9635080).

Almost surely, 2^260143380 is an apocalyptic number.

260143380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260143380 is an abundant number, since it is smaller than the sum of its proper divisors (664824300).

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

260143380 is a wasteful number, since it uses less digits than its factorization.

260143380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68846 (or 68838 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 260143380 is about 16128.9609088744. The cubic root of 260143380 is about 638.3677318475.

The spelling of 260143380 in words is "two hundred sixty million, one hundred forty-three thousand, three hundred eighty".