26440533 has 64 divisors (see below), whose sum is σ = 48640000. Its totient is φ = 13856832.

The previous prime is 26440517. The next prime is 26440537. The reversal of 26440533 is 33504462.

It is not a de Polignac number, because 26440533 - 2⁴ = 26440517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 26440497 and 26440506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26440537) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 132768 + ... + 132966.

It is an arithmetic number, because the mean of its divisors is an integer number (760000).

Almost surely, 2^26440533 is an apocalyptic number.

It is an amenable number.

26440533 is a deficient number, since it is larger than the sum of its proper divisors (22199467).

26440533 is a wasteful number, since it uses less digits than its factorization.

26440533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 26440533 is about 5142.0358808550. The cubic root of 26440533 is about 297.9134209393.

Adding to 26440533 its reverse (33504462), we get a palindrome (59944995).

The spelling of 26440533 in words is "twenty-six million, four hundred forty thousand, five hundred thirty-three".