26122864 has 10 divisors (see below), whose sum is σ = 50613080. Its totient is φ = 13061424.

The previous prime is 26122819. The next prime is 26122867. The reversal of 26122864 is 46822162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26122867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 816324 + ... + 816355.

It is an arithmetic number, because the mean of its divisors is an integer number (5061308).

Almost surely, 2^26122864 is an apocalyptic number.

It is an amenable number.

26122864 is a deficient number, since it is larger than the sum of its proper divisors (24490216).

26122864 is a wasteful number, since it uses less digits than its factorization.

26122864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632687 (or 1632681 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 26122864 is about 5111.0531204440. The cubic root of 26122864 is about 296.7155200165.

It can be divided in two parts, 2612 and 2864, that added together give a square (5476 = 74²).

The spelling of 26122864 in words is "twenty-six million, one hundred twenty-two thousand, eight hundred sixty-four".