12541423040 has 28 divisors (see below), whose sum is σ = 29864264376. Its totient is φ = 5016569088.

The previous prime is 12541423033. The next prime is 12541423057. The reversal of 12541423040 is 4032414521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19595654 + ... + 19596293.

Almost surely, 2^12541423040 is an apocalyptic number.

12541423040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12541423040 is an abundant number, since it is smaller than the sum of its proper divisors (17322841336).

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

12541423040 is an equidigital number, since it uses as much as digits as its factorization.

12541423040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39191964 (or 39191954 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 12541423040 its reverse (4032414521), we get a palindrome (16573837561).

The spelling of 12541423040 in words is "twelve billion, five hundred forty-one million, four hundred twenty-three thousand, forty".