26525356220 has 72 divisors (see below), whose sum is σ = 64450150800. Its totient is φ = 9137905920.

The previous prime is 26525356219. The next prime is 26525356229. The reversal of 26525356220 is 2265352562.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26525356229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242465 + ... + 334424.

Almost surely, 2^26525356220 is an apocalyptic number.

26525356220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26525356220 is an abundant number, since it is smaller than the sum of its proper divisors (37924794580).

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

26525356220 is a wasteful number, since it uses less digits than its factorization.

26525356220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576939 (or 576926 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 26525356220 in words is "twenty-six billion, five hundred twenty-five million, three hundred fifty-six thousand, two hundred twenty".