26485720 has 16 divisors (see below), whose sum is σ = 59592960. Its totient is φ = 10594272.

The previous prime is 26485709. The next prime is 26485733. The reversal of 26485720 is 2758462.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331032 + ... + 331111.

It is an arithmetic number, because the mean of its divisors is an integer number (3724560).

Almost surely, 2^26485720 is an apocalyptic number.

26485720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26485720 is an abundant number, since it is smaller than the sum of its proper divisors (33107240).

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

26485720 is a wasteful number, since it uses less digits than its factorization.

26485720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662154 (or 662150 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 26485720 is about 5146.4278873798. The cubic root of 26485720 is about 298.0830361819.

The spelling of 26485720 in words is "twenty-six million, four hundred eighty-five thousand, seven hundred twenty".