26989180401 has 16 divisors (see below), whose sum is σ = 37884211200. Its totient is φ = 17043701328.

The previous prime is 26989180349. The next prime is 26989180403. The reversal of 26989180401 is 10408198962.

It is not a de Polignac number, because 26989180401 - 2¹¹ = 26989178353 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26989180403) 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, 532480 + ... + 580958.

It is an arithmetic number, because the mean of its divisors is an integer number (2367763200).

Almost surely, 2^26989180401 is an apocalyptic number.

It is an amenable number.

26989180401 is a deficient number, since it is larger than the sum of its proper divisors (10895030799).

26989180401 is a wasteful number, since it uses less digits than its factorization.

26989180401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58268.

The product of its (nonzero) digits is 248832, while the sum is 48.

The spelling of 26989180401 in words is "twenty-six billion, nine hundred eighty-nine million, one hundred eighty thousand, four hundred one".