263780552 has 64 divisors (see below), whose sum is σ = 584115840. Its totient is φ = 109324800.

The previous prime is 263780527. The next prime is 263780579. The reversal of 263780552 is 255087362.

It is a super-2 number, since 2×263780552² = 139160359226849408, which contains 22 as substring.

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, 300338 + ... + 301214.

It is an arithmetic number, because the mean of its divisors is an integer number (9126810).

Almost surely, 2^263780552 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 263780552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292057920).

263780552 is an abundant number, since it is smaller than the sum of its proper divisors (320335288).

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

263780552 is a wasteful number, since it uses less digits than its factorization.

263780552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 263780552 is about 16241.3223599558. The cubic root of 263780552 is about 641.3290674847.

The spelling of 263780552 in words is "two hundred sixty-three million, seven hundred eighty thousand, five hundred fifty-two".