12415261438 has 8 divisors (see below), whose sum is σ = 18625563432. Its totient is φ = 6206740296.

The previous prime is 12415261433. The next prime is 12415261477. The reversal of 12415261438 is 83416251421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12415261397 and 12415261406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12415261433) 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, 427645 + ... + 455752.

It is an arithmetic number, because the mean of its divisors is an integer number (2328195429).

Almost surely, 2^12415261438 is an apocalyptic number.

12415261438 is a deficient number, since it is larger than the sum of its proper divisors (6210301994).

12415261438 is an equidigital number, since it uses as much as digits as its factorization.

12415261438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890426.

The product of its digits is 46080, while the sum is 37.

The spelling of 12415261438 in words is "twelve billion, four hundred fifteen million, two hundred sixty-one thousand, four hundred thirty-eight".