2450140344040 has 32 divisors (see below), whose sum is σ = 5517126144000. Its totient is φ = 979289849664.

The previous prime is 2450140344017. The next prime is 2450140344049. The reversal of 2450140344040 is 404430410542.

It is a junction number, because it is equal to n+sod(n) for n = 2450140343993 and 2450140344011.

It is not an unprimeable number, because it can be changed into a prime (2450140344049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23894700 + ... + 23997019.

It is an arithmetic number, because the mean of its divisors is an integer number (172410192000).

Almost surely, 2^{2450140344040} is an apocalyptic number.

2450140344040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2450140344040 is an abundant number, since it is smaller than the sum of its proper divisors (3066985799960).

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

2450140344040 is a wasteful number, since it uses less digits than its factorization.

2450140344040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47893009 (or 47893005 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 2450140344040 its reverse (404430410542), we get a palindrome (2854570754582).

The spelling of 2450140344040 in words is "two trillion, four hundred fifty billion, one hundred forty million, three hundred forty-four thousand, forty".