263251450000 has 480 divisors, whose sum is σ = 803887047936. Its totient is φ = 81120000000.

The previous prime is 263251449959. The next prime is 263251450027. The reversal of 263251450000 is 54152362.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 388849662 + ... + 388850338.

Almost surely, 2^263251450000 is an apocalyptic number.

263251450000 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 263251450000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401943523968).

263251450000 is an abundant number, since it is smaller than the sum of its proper divisors (540635597936).

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

263251450000 is a wasteful number, since it uses less digits than its factorization.

263251450000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829 (or 803 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 263251450000 in words is "two hundred sixty-three billion, two hundred fifty-one million, four hundred fifty thousand".