4243412551540 has 12 divisors (see below), whose sum is σ = 8911166358276. Its totient is φ = 1697365020608.

The previous prime is 4243412551537. The next prime is 4243412551541. The reversal of 4243412551540 is 451552143424.

It can be written as a sum of positive squares in 2 ways, for example, as 2714500085476 + 1528912466064 = 1647574^2 + 1236492^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4243412551493 and 4243412551502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243412551541) 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, 106085313769 + ... + 106085313808.

It is an arithmetic number, because the mean of its divisors is an integer number (742597196523).

Almost surely, 2^{4243412551540} is an apocalyptic number.

It is an amenable number.

4243412551540 is an abundant number, since it is smaller than the sum of its proper divisors (4667753806736).

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

4243412551540 is a wasteful number, since it uses less digits than its factorization.

4243412551540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212170627586 (or 212170627584 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 4243412551540 its reverse (451552143424), we get a palindrome (4694964694964).

The spelling of 4243412551540 in words is "four trillion, two hundred forty-three billion, four hundred twelve million, five hundred fifty-one thousand, five hundred forty".