263466672 has 80 divisors (see below), whose sum is σ = 779926272. Its totient is φ = 75075840.

The previous prime is 263466667. The next prime is 263466691. The reversal of 263466672 is 276664362.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

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, 164178 + ... + 165774.

Almost surely, 2^263466672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 263466672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389963136).

263466672 is an abundant number, since it is smaller than the sum of its proper divisors (516459600).

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

263466672 is a wasteful number, since it uses less digits than its factorization.

263466672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106 (or 2100 counting only the distinct ones).

The product of its digits is 435456, while the sum is 42.

The square root of 263466672 is about 16231.6564773901. The cubic root of 263466672 is about 641.0745879393.

The spelling of 263466672 in words is "two hundred sixty-three million, four hundred sixty-six thousand, six hundred seventy-two".