263527467240 has 256 divisors, whose sum is σ = 871760517120. Its totient is φ = 63438520320.

The previous prime is 263527467221. The next prime is 263527467253. The reversal of 263527467240 is 42764725362.

It is a self number, because there is not a number n which added to its sum of digits gives 263527467240.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7127682 + ... + 7164558.

It is an arithmetic number, because the mean of its divisors is an integer number (3405314520).

Almost surely, 2^263527467240 is an apocalyptic number.

263527467240 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 263527467240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435880258560).

263527467240 is an abundant number, since it is smaller than the sum of its proper divisors (608233049880).

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

263527467240 is a wasteful number, since it uses less digits than its factorization.

263527467240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37052 (or 37048 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 48.

The spelling of 263527467240 in words is "two hundred sixty-three billion, five hundred twenty-seven million, four hundred sixty-seven thousand, two hundred forty".