26464940 has 12 divisors (see below), whose sum is σ = 55576416. Its totient is φ = 10585968.

The previous prime is 26464913. The next prime is 26464957. The reversal of 26464940 is 4946462.

It is a self number, because there is not a number n which added to its sum of digits gives 26464940.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661604 + ... + 661643.

It is an arithmetic number, because the mean of its divisors is an integer number (4631368).

Almost surely, 2^26464940 is an apocalyptic number.

26464940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26464940 is an abundant number, since it is smaller than the sum of its proper divisors (29111476).

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

26464940 is a wasteful number, since it uses less digits than its factorization.

26464940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323256 (or 1323254 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 26464940 is about 5144.4086151860. The cubic root of 26464940 is about 298.0050597462.

The spelling of 26464940 in words is "twenty-six million, four hundred sixty-four thousand, nine hundred forty".