240043012400 has 120 divisors (see below), whose sum is σ = 611187466320. Its totient is φ = 90286202880.

The previous prime is 240043012397. The next prime is 240043012427. The reversal of 240043012400 is 4210340042.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 7661567 + ... + 7692833.

It is an arithmetic number, because the mean of its divisors is an integer number (5093228886).

Almost surely, 2^240043012400 is an apocalyptic number.

240043012400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240043012400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305593733160).

240043012400 is an abundant number, since it is smaller than the sum of its proper divisors (371144453920).

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

240043012400 is a wasteful number, since it uses less digits than its factorization.

240043012400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32431 (or 32420 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 240043012400 its reverse (4210340042), we get a palindrome (244253352442).

The spelling of 240043012400 in words is "two hundred forty billion, forty-three million, twelve thousand, four hundred".