4431450006140 has 24 divisors (see below), whose sum is σ = 9318338367072. Its totient is φ = 1770238411200.

The previous prime is 4431450006097. The next prime is 4431450006143. The reversal of 4431450006140 is 416000541344.

It is a junction number, because it is equal to n+sod(n) for n = 4431450006097 and 4431450006106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4431450006143) 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, 146333936 + ... + 146364215.

It is an arithmetic number, because the mean of its divisors is an integer number (388264098628).

Almost surely, 2^{4431450006140} is an apocalyptic number.

It is an amenable number.

4431450006140 is an abundant number, since it is smaller than the sum of its proper divisors (4886888360932).

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

4431450006140 is a wasteful number, since it uses less digits than its factorization.

4431450006140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292698917 (or 292698915 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 4431450006140 its reverse (416000541344), we get a palindrome (4847450547484).

The spelling of 4431450006140 in words is "four trillion, four hundred thirty-one billion, four hundred fifty million, six thousand, one hundred forty".