260425817730 has 288 divisors, whose sum is σ = 762985267200. Its totient is φ = 61534287360.

The previous prime is 260425817723. The next prime is 260425817741. The reversal of 260425817730 is 37718524062.

260425817730 is a `hidden beast` number, since 2 + 60 + 4 + 2 + 581 + 7 + 7 + 3 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 59879596 + ... + 59883944.

It is an arithmetic number, because the mean of its divisors is an integer number (2649254400).

Almost surely, 2^260425817730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260425817730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381492633600).

260425817730 is an abundant number, since it is smaller than the sum of its proper divisors (502559449470).

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

260425817730 is a wasteful number, since it uses less digits than its factorization.

260425817730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4546 (or 4530 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 260425817730 in words is "two hundred sixty billion, four hundred twenty-five million, eight hundred seventeen thousand, seven hundred thirty".