26401882 has 16 divisors (see below), whose sum is σ = 42750792. Its totient is φ = 12156480.

The previous prime is 26401877. The next prime is 26401883. The reversal of 26401882 is 28810462.

It can be written as a sum of positive squares in 4 ways, for example, as 18567481 + 7834401 = 4309^2 + 2799^2 .

It is not an unprimeable number, because it can be changed into a prime (26401883) 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 7 ways as a sum of consecutive naturals, for example, 13128 + ... + 15004.

Almost surely, 2^26401882 is an apocalyptic number.

26401882 is a deficient number, since it is larger than the sum of its proper divisors (16348910).

26401882 is a wasteful number, since it uses less digits than its factorization.

26401882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 26401882 is about 5138.2761700788. The cubic root of 26401882 is about 297.7681860086.

The spelling of 26401882 in words is "twenty-six million, four hundred one thousand, eight hundred eighty-two".