26149900 has 36 divisors (see below), whose sum is σ = 64853488. Its totient is φ = 8965440.

The previous prime is 26149889. The next prime is 26149901. The reversal of 26149900 is 994162.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (26149901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17979 + ... + 19378.

Almost surely, 2^26149900 is an apocalyptic number.

26149900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26149900 is an abundant number, since it is smaller than the sum of its proper divisors (38703588).

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

26149900 is a wasteful number, since it uses less digits than its factorization.

26149900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37378 (or 37371 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 26149900 is about 5113.6972925663. The cubic root of 26149900 is about 296.8178471697.

The spelling of 26149900 in words is "twenty-six million, one hundred forty-nine thousand, nine hundred".