26386842240 has 192 divisors, whose sum is σ = 99400672800. Its totient is φ = 6396794880.

The previous prime is 26386842227. The next prime is 26386842241. The reversal of 26386842240 is 4224868362.

26386842240 is a `hidden beast` number, since 2 + 638 + 6 + 8 + 4 + 2 + 2 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (26386842241) 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, 144870 + ... + 271589.

Almost surely, 2^26386842240 is an apocalyptic number.

26386842240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26386842240 is an abundant number, since it is smaller than the sum of its proper divisors (73013830560).

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

26386842240 is a wasteful number, since it uses less digits than its factorization.

26386842240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416495 (or 416480 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 45.

The spelling of 26386842240 in words is "twenty-six billion, three hundred eighty-six million, eight hundred forty-two thousand, two hundred forty".