26402900 has 18 divisors (see below), whose sum is σ = 57294510. Its totient is φ = 10561120.

The previous prime is 26402899. The next prime is 26402923. The reversal of 26402900 is 920462.

It can be written as a sum of positive squares in 3 ways, for example, as 44944 + 26357956 = 212^2 + 5134^2 .

It is a super-2 number, since 2×26402900² = 1394226256820000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131915 + ... + 132114.

Almost surely, 2^26402900 is an apocalyptic number.

26402900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26402900 is an abundant number, since it is smaller than the sum of its proper divisors (30891610).

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

26402900 is a wasteful number, since it uses less digits than its factorization.

26402900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264043 (or 264036 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 26402900 is about 5138.3752295838. The cubic root of 26402900 is about 297.7720130605.

The spelling of 26402900 in words is "twenty-six million, four hundred two thousand, nine hundred".