25326603229680 has 640 divisors, whose sum is σ = 94090049280000. Its totient is φ = 6246472826880.

The previous prime is 25326603229661. The next prime is 25326603229723. The reversal of 25326603229680 is 8692230662352.

25326603229680 is a `hidden beast` number, since 2 + 5 + 3 + 2 + 6 + 603 + 2 + 29 + 6 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 178727496 + ... + 178869144.

It is an arithmetic number, because the mean of its divisors is an integer number (147015702000).

Almost surely, 2^{25326603229680} is an apocalyptic number.

25326603229680 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 25326603229680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47045024640000).

25326603229680 is an abundant number, since it is smaller than the sum of its proper divisors (68763446050320).

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

25326603229680 is a wasteful number, since it uses less digits than its factorization.

25326603229680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141814 (or 141802 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 54.

The spelling of 25326603229680 in words is "twenty-five trillion, three hundred twenty-six billion, six hundred three million, two hundred twenty-nine thousand, six hundred eighty".