263460000 has 120 divisors (see below), whose sum is σ = 864398304. Its totient is φ = 70240000.

The previous prime is 263459969. The next prime is 263460007. The reversal of 263460000 is 64362.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×263460000² = 138822343200000000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (263460007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 57805 + ... + 62195.

Almost surely, 2^263460000 is an apocalyptic number.

263460000 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 263460000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432199152).

263460000 is an abundant number, since it is smaller than the sum of its proper divisors (600938304).

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

263460000 is an equidigital number, since it uses as much as digits as its factorization.

263460000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4424 (or 4401 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 263460000 is about 16231.4509517788. The cubic root of 263460000 is about 641.0691763936.

The spelling of 263460000 in words is "two hundred sixty-three million, four hundred sixty thousand".