26401012 has 24 divisors (see below), whose sum is σ = 50752800. Its totient is φ = 11916960.

The previous prime is 26401003. The next prime is 26401061. The reversal of 26401012 is 21010462.

It is a pancake number, because a pancake can be divided into 26401012 parts by 7266 straight cuts.

It is a congruent number.

It is an unprimeable number.

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, 4543 + ... + 8569.

It is an arithmetic number, because the mean of its divisors is an integer number (2114700).

Almost surely, 2^26401012 is an apocalyptic number.

26401012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

26401012 is a deficient number, since it is larger than the sum of its proper divisors (24351788).

26401012 is a wasteful number, since it uses less digits than its factorization.

26401012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4191 (or 4189 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 26401012 is about 5138.1915106387. The cubic root of 26401012 is about 297.7649152675.

Adding to 26401012 its reverse (21010462), we get a palindrome (47411474).

The spelling of 26401012 in words is "twenty-six million, four hundred one thousand, twelve".