240102040 has 32 divisors (see below), whose sum is σ = 544365360. Its totient is φ = 95305600.

The previous prime is 240102019. The next prime is 240102059. The reversal of 240102040 is 40201042.

It is a super-2 number, since 2×240102040² = 115297979224323200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 240102040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17671 + ... + 28150.

Almost surely, 2^240102040 is an apocalyptic number.

240102040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240102040 is an abundant number, since it is smaller than the sum of its proper divisors (304263320).

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

240102040 is a wasteful number, since it uses less digits than its factorization.

240102040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45963 (or 45959 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 240102040 is about 15495.2263616896. The cubic root of 240102040 is about 621.5345614910.

Adding to 240102040 its reverse (40201042), we get a palindrome (280303082).

The spelling of 240102040 in words is "two hundred forty million, one hundred two thousand, forty".