26400737151 has 24 divisors (see below), whose sum is σ = 40386353280. Its totient is φ = 16583971536.

The previous prime is 26400737149. The next prime is 26400737161. The reversal of 26400737151 is 15173700462.

It is a happy number.

26400737151 is a `hidden beast` number, since 2 + 640 + 0 + 7 + 3 + 7 + 1 + 5 + 1 = 666.

It is not a de Polignac number, because 26400737151 - 2¹ = 26400737149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26400737161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 937921 + ... + 965658.

It is an arithmetic number, because the mean of its divisors is an integer number (1682764720).

Almost surely, 2^26400737151 is an apocalyptic number.

26400737151 is a deficient number, since it is larger than the sum of its proper divisors (13985616129).

26400737151 is a wasteful number, since it uses less digits than its factorization.

26400737151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903675 (or 1903672 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The spelling of 26400737151 in words is "twenty-six billion, four hundred million, seven hundred thirty-seven thousand, one hundred fifty-one".