26424621656620 has 48 divisors (see below), whose sum is σ = 61013070655488. Its totient is φ = 9533292269760.

The previous prime is 26424621656569. The next prime is 26424621656633. The reversal of 26424621656620 is 2665612642462.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472853622 + ... + 472909501.

It is an arithmetic number, because the mean of its divisors is an integer number (1271105638656).

Almost surely, 2^{26424621656620} is an apocalyptic number.

26424621656620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26424621656620 is an abundant number, since it is smaller than the sum of its proper divisors (34588448998868).

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

26424621656620 is a wasteful number, since it uses less digits than its factorization.

26424621656620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945763270 (or 945763268 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 52.

The spelling of 26424621656620 in words is "twenty-six trillion, four hundred twenty-four billion, six hundred twenty-one million, six hundred fifty-six thousand, six hundred twenty".