43431410425144 has 64 divisors (see below), whose sum is σ = 93150887961600. Its totient is φ = 18596749392000.

The previous prime is 43431410425079. The next prime is 43431410425147. The reversal of 43431410425144 is 44152401413434.

It is a junction number, because it is equal to n+sod(n) for n = 43431410425097 and 43431410425106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43431410425147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 635197279 + ... + 635265649.

It is an arithmetic number, because the mean of its divisors is an integer number (1455482624400).

Almost surely, 2^{43431410425144} is an apocalyptic number.

It is an amenable number.

43431410425144 is an abundant number, since it is smaller than the sum of its proper divisors (49719477536456).

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

43431410425144 is a wasteful number, since it uses less digits than its factorization.

43431410425144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78404 (or 78400 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 40.

Adding to 43431410425144 its reverse (44152401413434), we get a palindrome (87583811838578).

The spelling of 43431410425144 in words is "forty-three trillion, four hundred thirty-one billion, four hundred ten million, four hundred twenty-five thousand, one hundred forty-four".