26149380 has 48 divisors (see below), whose sum is σ = 75203520. Its totient is φ = 6784128.

The previous prime is 26149379. The next prime is 26149381. The reversal of 26149380 is 8394162.

It is an interprime number because it is at equal distance from previous prime (26149379) and next prime (26149381).

It is not an unprimeable number, because it can be changed into a prime (26149381) 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, 3670 + ... + 8109.

It is an arithmetic number, because the mean of its divisors is an integer number (1566740).

Almost surely, 2^26149380 is an apocalyptic number.

26149380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26149380 is an abundant number, since it is smaller than the sum of its proper divisors (49054140).

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

26149380 is a wasteful number, since it uses less digits than its factorization.

26149380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11828 (or 11826 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 26149380 is about 5113.6464484749. The cubic root of 26149380 is about 296.8158797141.

The spelling of 26149380 in words is "twenty-six million, one hundred forty-nine thousand, three hundred eighty".