263428032 has 56 divisors (see below), whose sum is σ = 796560256. Its totient is φ = 75264768.

The previous prime is 263428021. The next prime is 263428037. The reversal of 263428032 is 230824362.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263428037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96658 + ... + 99345.

Almost surely, 2^263428032 is an apocalyptic number.

It is an amenable number.

263428032 is an abundant number, since it is smaller than the sum of its proper divisors (533132224).

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

263428032 is a wasteful number, since it uses less digits than its factorization.

263428032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196025 (or 196015 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 263428032 is about 16230.4661670576. The cubic root of 263428032 is about 641.0432464253.

The spelling of 263428032 in words is "two hundred sixty-three million, four hundred twenty-eight thousand, thirty-two".