26149964 has 24 divisors (see below), whose sum is σ = 47119968. Its totient is φ = 12690560.

The previous prime is 26149951. The next prime is 26149969. The reversal of 26149964 is 46994162.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (26149969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51737 + ... + 52239.

It is an arithmetic number, because the mean of its divisors is an integer number (1963332).

Almost surely, 2^26149964 is an apocalyptic number.

It is an amenable number.

26149964 is a deficient number, since it is larger than the sum of its proper divisors (20970004).

26149964 is a wasteful number, since it uses less digits than its factorization.

26149964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865 (or 863 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 26149964 is about 5113.7035502657. The cubic root of 26149964 is about 296.8180893163.

The spelling of 26149964 in words is "twenty-six million, one hundred forty-nine thousand, nine hundred sixty-four".