263047732920 has 576 divisors, whose sum is σ = 1034073799200. Its totient is φ = 57753077760.

The previous prime is 263047732841. The next prime is 263047732921. The reversal of 263047732920 is 29237740362.

263047732920 is a `hidden beast` number, since 2 + 63 + 0 + 477 + 32 + 92 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263047732921) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 107937942 + ... + 107940378.

Almost surely, 2^263047732920 is an apocalyptic number.

263047732920 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 263047732920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517036899600).

263047732920 is an abundant number, since it is smaller than the sum of its proper divisors (771026066280).

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

263047732920 is a wasteful number, since it uses less digits than its factorization.

263047732920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708 (or 2694 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The spelling of 263047732920 in words is "two hundred sixty-three billion, forty-seven million, seven hundred thirty-two thousand, nine hundred twenty".