240717642 has 48 divisors (see below), whose sum is σ = 542154816. Its totient is φ = 71156800.

The previous prime is 240717629. The next prime is 240717689. The reversal of 240717642 is 246717042.

240717642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25723 + ... + 33809.

It is an arithmetic number, because the mean of its divisors is an integer number (11294892).

Almost surely, 2^240717642 is an apocalyptic number.

240717642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 240717642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271077408).

240717642 is an abundant number, since it is smaller than the sum of its proper divisors (301437174).

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

240717642 is a wasteful number, since it uses less digits than its factorization.

240717642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8155 (or 8144 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 240717642 is about 15515.0778921667. The cubic root of 240717642 is about 622.0652960955.

It can be divided in two parts, 24071 and 7642, that added together give a palindrome (31713).

The spelling of 240717642 in words is "two hundred forty million, seven hundred seventeen thousand, six hundred forty-two".