26312380 has 48 divisors (see below), whose sum is σ = 57081024. Its totient is φ = 10183680.

The previous prime is 26312371. The next prime is 26312383. The reversal of 26312380 is 8321362.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26312383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109060 + ... + 109300.

It is an arithmetic number, because the mean of its divisors is an integer number (1189188).

Almost surely, 2^26312380 is an apocalyptic number.

26312380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26312380 is an abundant number, since it is smaller than the sum of its proper divisors (30768644).

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

26312380 is a wasteful number, since it uses less digits than its factorization.

26312380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 26312380 is about 5129.5594352732. The cubic root of 26312380 is about 297.4313284523.

The spelling of 26312380 in words is "twenty-six million, three hundred twelve thousand, three hundred eighty".