403240043304140 has 144 divisors (see below), whose sum is σ = 988756286868000. Its totient is φ = 137735348825088.

The previous prime is 403240043304127. The next prime is 403240043304181. The reversal of 403240043304140 is 41403340042304.

It is a super-2 number, since 2×403240043304140² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 403240043304097 and 403240043304106.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 385618439 + ... + 386662721.

It is an arithmetic number, because the mean of its divisors is an integer number (6866363103250).

Almost surely, 2^{403240043304140} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403240043304140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (494378143434000).

403240043304140 is an abundant number, since it is smaller than the sum of its proper divisors (585516243563860).

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

403240043304140 is a wasteful number, since it uses less digits than its factorization.

403240043304140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045784 (or 1045775 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 403240043304140 its reverse (41403340042304), we get a palindrome (444643383346444).

The spelling of 403240043304140 in words is "four hundred three trillion, two hundred forty billion, forty-three million, three hundred four thousand, one hundred forty".