26620004629140 has 192 divisors, whose sum is σ = 80757985996800. Its totient is φ = 6512780745216.

The previous prime is 26620004629139. The next prime is 26620004629177. The reversal of 26620004629140 is 4192640002662.

It is a junction number, because it is equal to n+sod(n) for n = 26620004629092 and 26620004629101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 287989851 + ... + 288082269.

It is an arithmetic number, because the mean of its divisors is an integer number (420614510400).

Almost surely, 2^{26620004629140} is an apocalyptic number.

26620004629140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26620004629140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40378992998400).

26620004629140 is an abundant number, since it is smaller than the sum of its proper divisors (54137981367660).

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

26620004629140 is a wasteful number, since it uses less digits than its factorization.

26620004629140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94686 (or 94684 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 26620004629140 in words is "twenty-six trillion, six hundred twenty billion, four million, six hundred twenty-nine thousand, one hundred forty".