26270465620 has 96 divisors (see below), whose sum is σ = 64179118080. Its totient is φ = 8847014400.

The previous prime is 26270465609. The next prime is 26270465629. The reversal of 26270465620 is 2656407262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26270465629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1788466 + ... + 1803094.

It is an arithmetic number, because the mean of its divisors is an integer number (668532480).

Almost surely, 2^26270465620 is an apocalyptic number.

26270465620 is a gapful number since it is divisible by the number (20) 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 26270465620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32089559040).

26270465620 is an abundant number, since it is smaller than the sum of its proper divisors (37908652460).

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

26270465620 is a wasteful number, since it uses less digits than its factorization.

26270465620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14873 (or 14871 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 26270465620 in words is "twenty-six billion, two hundred seventy million, four hundred sixty-five thousand, six hundred twenty".