26869627540 has 24 divisors (see below), whose sum is σ = 64487106432. Its totient is φ = 9212443680.

The previous prime is 26869627501. The next prime is 26869627553. The reversal of 26869627540 is 4572696862.

It is a super-5 number, since 5×26869627540⁵ (a number of 53 digits) contains 55555 as substring.

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 7 ways as a sum of consecutive naturals, for example, 95962816 + ... + 95963095.

It is an arithmetic number, because the mean of its divisors is an integer number (2686962768).

Almost surely, 2^26869627540 is an apocalyptic number.

26869627540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26869627540 is an abundant number, since it is smaller than the sum of its proper divisors (37617478892).

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

26869627540 is a wasteful number, since it uses less digits than its factorization.

26869627540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191925927 (or 191925925 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 26869627540 in words is "twenty-six billion, eight hundred sixty-nine million, six hundred twenty-seven thousand, five hundred forty".