240028263 has 12 divisors (see below), whose sum is σ = 348625368. Its totient is φ = 159133680.

The previous prime is 240028259. The next prime is 240028277. The reversal of 240028263 is 362820042.

It is not a de Polignac number, because 240028263 - 2² = 240028259 is a prime.

It is a super-2 number, since 2×240028263² = 115227134077594338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240028163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72045 + ... + 75302.

It is an arithmetic number, because the mean of its divisors is an integer number (29052114).

Almost surely, 2^240028263 is an apocalyptic number.

240028263 is a deficient number, since it is larger than the sum of its proper divisors (108597105).

240028263 is a wasteful number, since it uses less digits than its factorization.

240028263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147534 (or 147531 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 240028263 is about 15492.8455423786. The cubic root of 240028263 is about 621.4708945978.

The spelling of 240028263 in words is "two hundred forty million, twenty-eight thousand, two hundred sixty-three".