26401900 has 36 divisors (see below), whose sum is σ = 65478448. Its totient is φ = 9051840.

The previous prime is 26401891. The next prime is 26401913. The reversal of 26401900 is 910462.

It is a super-2 number, since 2×26401900² = 1394120647220000, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 18159 + ... + 19558.

Almost surely, 2^26401900 is an apocalyptic number.

26401900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26401900 is an abundant number, since it is smaller than the sum of its proper divisors (39076548).

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

26401900 is a wasteful number, since it uses less digits than its factorization.

26401900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37738 (or 37731 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 26401900 is about 5138.2779216387. The cubic root of 26401900 is about 297.7682536784.

The spelling of 26401900 in words is "twenty-six million, four hundred one thousand, nine hundred".