26295421620 has 48 divisors (see below), whose sum is σ = 79290812160. Its totient is φ = 6472718976.

The previous prime is 26295421601. The next prime is 26295421631. The reversal of 26295421620 is 2612459262.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16855260 + ... + 16856819.

It is an arithmetic number, because the mean of its divisors is an integer number (1651891920).

Almost surely, 2^26295421620 is an apocalyptic number.

26295421620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26295421620 is an abundant number, since it is smaller than the sum of its proper divisors (52995390540).

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

26295421620 is a wasteful number, since it uses less digits than its factorization.

26295421620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33712104 (or 33712102 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 26295421620 in words is "twenty-six billion, two hundred ninety-five million, four hundred twenty-one thousand, six hundred twenty".