240442398 has 64 divisors (see below), whose sum is σ = 615237120. Its totient is φ = 68181696.

The previous prime is 240442379. The next prime is 240442399. The reversal of 240442398 is 893244042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240442399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49465 + ... + 54107.

It is an arithmetic number, because the mean of its divisors is an integer number (9613080).

Almost surely, 2^240442398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240442398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307618560).

240442398 is an abundant number, since it is smaller than the sum of its proper divisors (374794722).

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

240442398 is a wasteful number, since it uses less digits than its factorization.

240442398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4798 (or 4792 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 240442398 is about 15506.2051450379. The cubic root of 240442398 is about 621.8281094347.

The spelling of 240442398 in words is "two hundred forty million, four hundred forty-two thousand, three hundred ninety-eight".