26425664 has 14 divisors (see below), whose sum is σ = 52438554. Its totient is φ = 13212800.

The previous prime is 26425661. The next prime is 26425669. The reversal of 26425664 is 46652462.

It can be written as a sum of positive squares in only one way, i.e., 25080064 + 1345600 = 5008^2 + 1160^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26425661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206387 + ... + 206514.

It is an arithmetic number, because the mean of its divisors is an integer number (3745611).

Almost surely, 2^26425664 is an apocalyptic number.

It is an amenable number.

26425664 is a deficient number, since it is larger than the sum of its proper divisors (26012890).

26425664 is an equidigital number, since it uses as much as digits as its factorization.

26425664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412913 (or 412903 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 26425664 is about 5140.5898494239. The cubic root of 26425664 is about 297.8575659727.

The spelling of 26425664 in words is "twenty-six million, four hundred twenty-five thousand, six hundred sixty-four".