240671256 has 64 divisors (see below), whose sum is σ = 697351680. Its totient is φ = 67791360.

The previous prime is 240671191. The next prime is 240671257. The reversal of 240671256 is 652176042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240671257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1840 + ... + 22016.

It is an arithmetic number, because the mean of its divisors is an integer number (10896120).

Almost surely, 2^240671256 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 240671256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348675840).

240671256 is an abundant number, since it is smaller than the sum of its proper divisors (456680424).

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

240671256 is a wasteful number, since it uses less digits than its factorization.

240671256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20264 (or 20260 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 240671256 is about 15513.5829517233. The cubic root of 240671256 is about 622.0253364507.

The spelling of 240671256 in words is "two hundred forty million, six hundred seventy-one thousand, two hundred fifty-six".