263143080 has 160 divisors (see below), whose sum is σ = 890758440. Its totient is φ = 69672960.

The previous prime is 263143079. The next prime is 263143087. The reversal of 263143080 is 80341362.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 213101604 + 50041476 = 14598^2 + 7074^2 .

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

It is not an unprimeable number, because it can be changed into a prime (263143087) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 780672 + ... + 781008.

Almost surely, 2^263143080 is an apocalyptic number.

263143080 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 263143080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445379220).

263143080 is an abundant number, since it is smaller than the sum of its proper divisors (627615360).

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

263143080 is a wasteful number, since it uses less digits than its factorization.

263143080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601 (or 588 counting only the distinct ones).

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

The square root of 263143080 is about 16221.6854857934. The cubic root of 263143080 is about 640.8120226672.

The spelling of 263143080 in words is "two hundred sixty-three million, one hundred forty-three thousand, eighty".