2400443401240 has 16 divisors (see below), whose sum is σ = 5400997652880. Its totient is φ = 960177360480.

The previous prime is 2400443401207. The next prime is 2400443401241. The reversal of 2400443401240 is 421043440042.

It is a junction number, because it is equal to n+sod(n) for n = 2400443401199 and 2400443401208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400443401241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30005542476 + ... + 30005542555.

It is an arithmetic number, because the mean of its divisors is an integer number (337562353305).

Almost surely, 2^{2400443401240} is an apocalyptic number.

2400443401240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2400443401240 is an abundant number, since it is smaller than the sum of its proper divisors (3000554251640).

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

2400443401240 is a wasteful number, since it uses less digits than its factorization.

2400443401240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60011085042 (or 60011085038 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 2400443401240 its reverse (421043440042), we get a palindrome (2821486841282).

The spelling of 2400443401240 in words is "two trillion, four hundred billion, four hundred forty-three million, four hundred one thousand, two hundred forty".