240117630 has 128 divisors (see below), whose sum is σ = 637009920. Its totient is φ = 57697920.

The previous prime is 240117623. The next prime is 240117643. The reversal of 240117630 is 36711042.

It is a self number, because there is not a number n which added to its sum of digits gives 240117630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1890627 + ... + 1890753.

It is an arithmetic number, because the mean of its divisors is an integer number (4976640).

Almost surely, 2^240117630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240117630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318504960).

240117630 is an abundant number, since it is smaller than the sum of its proper divisors (396892290).

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

240117630 is a wasteful number, since it uses less digits than its factorization.

240117630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 240117630 is about 15495.7294116799. The cubic root of 240117630 is about 621.5480134301.

Adding to 240117630 its reverse (36711042), we get a palindrome (276828672).

The spelling of 240117630 in words is "two hundred forty million, one hundred seventeen thousand, six hundred thirty".