14325142640 has 40 divisors (see below), whose sum is σ = 33707248848. Its totient is φ = 5661017600.

The previous prime is 14325142631. The next prime is 14325142681. The reversal of 14325142640 is 4624152341.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 14325142597 and 14325142606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1072061 + ... + 1085340.

Almost surely, 2^14325142640 is an apocalyptic number.

14325142640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14325142640 is an abundant number, since it is smaller than the sum of its proper divisors (19382106208).

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

14325142640 is a wasteful number, since it uses less digits than its factorization.

14325142640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157497 (or 2157491 counting only the distinct ones).

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

Adding to 14325142640 its reverse (4624152341), we get a palindrome (18949294981).

The spelling of 14325142640 in words is "fourteen billion, three hundred twenty-five million, one hundred forty-two thousand, six hundred forty".