26871081490 has 32 divisors (see below), whose sum is σ = 52991542656. Its totient is φ = 9729356160.

The previous prime is 26871081469. The next prime is 26871081499. The reversal of 26871081490 is 9418017862.

It is a self number, because there is not a number n which added to its sum of digits gives 26871081490.

It is not an unprimeable number, because it can be changed into a prime (26871081499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498582 + ... + 549841.

It is an arithmetic number, because the mean of its divisors is an integer number (1655985708).

Almost surely, 2^26871081490 is an apocalyptic number.

26871081490 is a deficient number, since it is larger than the sum of its proper divisors (26120461166).

26871081490 is a wasteful number, since it uses less digits than its factorization.

26871081490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048674.

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 26871081490 in words is "twenty-six billion, eight hundred seventy-one million, eighty-one thousand, four hundred ninety".