240568146 has 72 divisors (see below), whose sum is σ = 653001804. Its totient is φ = 63443520.

The previous prime is 240568121. The next prime is 240568169. The reversal of 240568146 is 641865042.

It can be written as a sum of positive squares in 2 ways, for example, as 231800625 + 8767521 = 15225^2 + 2961^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 240568146.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 976 + ... + 21956.

Almost surely, 2^240568146 is an apocalyptic number.

240568146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 240568146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326500902).

240568146 is an abundant number, since it is smaller than the sum of its proper divisors (412433658).

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

240568146 is a wasteful number, since it uses less digits than its factorization.

240568146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21016 (or 21006 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 240568146 is about 15510.2593788756. The cubic root of 240568146 is about 621.9364930008.

The spelling of 240568146 in words is "two hundred forty million, five hundred sixty-eight thousand, one hundred forty-six".