26148690 has 32 divisors (see below), whose sum is σ = 69730560. Its totient is φ = 6972912.

The previous prime is 26148679. The next prime is 26148697. The reversal of 26148690 is 9684162.

It is a super-2 number, since 2×26148690² = 1367507977432200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26148697) 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, 48154 + ... + 48693.

It is an arithmetic number, because the mean of its divisors is an integer number (2179080).

Almost surely, 2^26148690 is an apocalyptic number.

26148690 is an abundant number, since it is smaller than the sum of its proper divisors (43581870).

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

26148690 is a wasteful number, since it uses less digits than its factorization.

26148690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96863 (or 96857 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 26148690 is about 5113.5789814962. The cubic root of 26148690 is about 296.8132690115.

The spelling of 26148690 in words is "twenty-six million, one hundred forty-eight thousand, six hundred ninety".