26140054164 has 48 divisors (see below), whose sum is σ = 69741654528. Its totient is φ = 7464853728.

The previous prime is 26140054163. The next prime is 26140054189. The reversal of 26140054164 is 46145004162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26140054163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93507 + ... + 247029.

It is an arithmetic number, because the mean of its divisors is an integer number (1452951136).

Almost surely, 2^26140054164 is an apocalyptic number.

It is an amenable number.

26140054164 is an abundant number, since it is smaller than the sum of its proper divisors (43601600364).

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

26140054164 is a wasteful number, since it uses less digits than its factorization.

26140054164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155564 (or 155562 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 26140054164 in words is "twenty-six billion, one hundred forty million, fifty-four thousand, one hundred sixty-four".