26759642220 has 96 divisors (see below), whose sum is σ = 83294769600. Its totient is φ = 7132257792.

The previous prime is 26759642213. The next prime is 26759642227. The reversal of 26759642220 is 2224695762.

It is an interprime number because it is at equal distance from previous prime (26759642213) and next prime (26759642227).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (26759642227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1142386 + ... + 1165574.

It is an arithmetic number, because the mean of its divisors is an integer number (867653850).

Almost surely, 2^26759642220 is an apocalyptic number.

26759642220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26759642220 is an abundant number, since it is smaller than the sum of its proper divisors (56535127380).

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

26759642220 is a wasteful number, since it uses less digits than its factorization.

26759642220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25344 (or 25336 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 26759642220 in words is "twenty-six billion, seven hundred fifty-nine million, six hundred forty-two thousand, two hundred twenty".