26402012 has 24 divisors (see below), whose sum is σ = 56866656. Its totient is φ = 10444608.

The previous prime is 26402011. The next prime is 26402017. The reversal of 26402012 is 21020462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26402011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35903 + ... + 36630.

It is an arithmetic number, because the mean of its divisors is an integer number (2369444).

Almost surely, 2^26402012 is an apocalyptic number.

It is an amenable number.

26402012 is an abundant number, since it is smaller than the sum of its proper divisors (30464644).

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

26402012 is a wasteful number, since it uses less digits than its factorization.

26402012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72557 (or 72555 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 26402012 is about 5138.2888202202. The cubic root of 26402012 is about 297.7686747339.

Adding to 26402012 its reverse (21020462), we get a palindrome (47422474).

The spelling of 26402012 in words is "twenty-six million, four hundred two thousand, twelve".