26147618256 has 40 divisors (see below), whose sum is σ = 67566600064. Its totient is φ = 8713474560.

The previous prime is 26147618249. The next prime is 26147618257. The reversal of 26147618256 is 65281674162.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26147618257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105816 + ... + 251976.

Almost surely, 2^26147618256 is an apocalyptic number.

It is an amenable number.

26147618256 is an abundant number, since it is smaller than the sum of its proper divisors (41418981808).

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

26147618256 is a wasteful number, since it uses less digits than its factorization.

26147618256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149899 (or 149893 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The spelling of 26147618256 in words is "twenty-six billion, one hundred forty-seven million, six hundred eighteen thousand, two hundred fifty-six".