26401771000 has 64 divisors (see below), whose sum is σ = 67396548960. Its totient is φ = 9600640000.

The previous prime is 26401770917. The next prime is 26401771021. The reversal of 26401771000 is 17710462.

It is a self number, because there is not a number n which added to its sum of digits gives 26401771000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1189081 + ... + 1211080.

Almost surely, 2^26401771000 is an apocalyptic number.

26401771000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26401771000 is an abundant number, since it is smaller than the sum of its proper divisors (40994777960).

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

26401771000 is a wasteful number, since it uses less digits than its factorization.

26401771000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400193 (or 2400179 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The spelling of 26401771000 in words is "twenty-six billion, four hundred one million, seven hundred seventy-one thousand".