26355177340 has 12 divisors (see below), whose sum is σ = 55345872456. Its totient is φ = 10542070928.

The previous prime is 26355177269. The next prime is 26355177349. The reversal of 26355177340 is 4377155362.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26355177349) 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 3 ways as a sum of consecutive naturals, for example, 658879414 + ... + 658879453.

It is an arithmetic number, because the mean of its divisors is an integer number (4612156038).

Almost surely, 2^26355177340 is an apocalyptic number.

26355177340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26355177340 is an abundant number, since it is smaller than the sum of its proper divisors (28990695116).

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

26355177340 is a wasteful number, since it uses less digits than its factorization.

26355177340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317758876 (or 1317758874 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 43.

The spelling of 26355177340 in words is "twenty-six billion, three hundred fifty-five million, one hundred seventy-seven thousand, three hundred forty".