26414156457 has 20 divisors (see below), whose sum is σ = 42493430980. Its totient is φ = 16254864864.

The previous prime is 26414156423. The next prime is 26414156471. The reversal of 26414156457 is 75465141462.

26414156457 is a `hidden beast` number, since 2 + 6 + 4 + 141 + 56 + 457 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14379847056 + 12034309401 = 119916^2 + 109701^2 .

It is not a de Polignac number, because 26414156457 - 2⁶ = 26414156393 is a prime.

It is a super-2 number, since 2×26414156457² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26414136457) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12541282 + ... + 12543387.

It is an arithmetic number, because the mean of its divisors is an integer number (2124671549).

Almost surely, 2^26414156457 is an apocalyptic number.

26414156457 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

26414156457 is a deficient number, since it is larger than the sum of its proper divisors (16079274523).

26414156457 is a wasteful number, since it uses less digits than its factorization.

26414156457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25084694 (or 25084685 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The spelling of 26414156457 in words is "twenty-six billion, four hundred fourteen million, one hundred fifty-six thousand, four hundred fifty-seven".