26555741520 has 160 divisors (see below), whose sum is σ = 102636288000. Its totient is φ = 5518072320.

The previous prime is 26555741503. The next prime is 26555741521. The reversal of 26555741520 is 2514755562.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26555741521) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 700020 + ... + 736979.

It is an arithmetic number, because the mean of its divisors is an integer number (641476800).

Almost surely, 2^26555741520 is an apocalyptic number.

26555741520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26555741520 is an abundant number, since it is smaller than the sum of its proper divisors (76080546480).

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

26555741520 is a wasteful number, since it uses less digits than its factorization.

26555741520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437033 (or 1437027 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 42.

The spelling of 26555741520 in words is "twenty-six billion, five hundred fifty-five million, seven hundred forty-one thousand, five hundred twenty".