26151997914 has 96 divisors (see below), whose sum is σ = 66648726144. Its totient is φ = 7255785600.

The previous prime is 26151997891. The next prime is 26151997933. The reversal of 26151997914 is 41979915162.

It is a happy number.

26151997914 is a `hidden beast` number, since 2 + 615 + 1 + 9 + 9 + 7 + 9 + 14 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 923364 + ... + 951264.

It is an arithmetic number, because the mean of its divisors is an integer number (694257564).

Almost surely, 2^26151997914 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26151997914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33324363072).

26151997914 is an abundant number, since it is smaller than the sum of its proper divisors (40496728230).

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

26151997914 is a wasteful number, since it uses less digits than its factorization.

26151997914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28132 (or 28129 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 54.

The spelling of 26151997914 in words is "twenty-six billion, one hundred fifty-one million, nine hundred ninety-seven thousand, nine hundred fourteen".