12395926540 has 12 divisors (see below), whose sum is σ = 26031445776. Its totient is φ = 4958370608.

The previous prime is 12395926493. The next prime is 12395926541. The reversal of 12395926540 is 4562959321.

It is a super-4 number, since 4×12395926540⁴ (a number of 41 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (12395926541) 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, 309898144 + ... + 309898183.

It is an arithmetic number, because the mean of its divisors is an integer number (2169287148).

Almost surely, 2^12395926540 is an apocalyptic number.

12395926540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12395926540 is an abundant number, since it is smaller than the sum of its proper divisors (13635519236).

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

12395926540 is a wasteful number, since it uses less digits than its factorization.

12395926540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619796336 (or 619796334 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 12395926540 in words is "twelve billion, three hundred ninety-five million, nine hundred twenty-six thousand, five hundred forty".