26650464 has 72 divisors (see below), whose sum is σ = 73929240. Its totient is φ = 8404992.

The previous prime is 26650453. The next prime is 26650469. The reversal of 26650464 is 46405662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26650469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34272 + ... + 35040.

It is an arithmetic number, because the mean of its divisors is an integer number (1026795).

Almost surely, 2^26650464 is an apocalyptic number.

26650464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26650464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36964620).

26650464 is an abundant number, since it is smaller than the sum of its proper divisors (47278776).

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

26650464 is a wasteful number, since it uses less digits than its factorization.

26650464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 26650464 is about 5162.4087401135. The cubic root of 26650464 is about 298.6997952552.

The spelling of 26650464 in words is "twenty-six million, six hundred fifty thousand, four hundred sixty-four".