1260606906240 has 512 divisors, whose sum is σ = 4510784678400. Its totient is φ = 296806809600.

The previous prime is 1260606906211. The next prime is 1260606906253. The reversal of 1260606906240 is 426096060621.

It is a junction number, because it is equal to n+sod(n) for n = 1260606906192 and 1260606906201.

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, 164373126 + ... + 164380794.

It is an arithmetic number, because the mean of its divisors is an integer number (8810126325).

Almost surely, 2^{1260606906240} is an apocalyptic number.

1260606906240 is a gapful number since it is divisible by the number (10) 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 1260606906240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2255392339200).

1260606906240 is an abundant number, since it is smaller than the sum of its proper divisors (3250177772160).

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

1260606906240 is a wasteful number, since it uses less digits than its factorization.

1260606906240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7926 (or 7914 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 1260606906240 in words is "one trillion, two hundred sixty billion, six hundred six million, nine hundred six thousand, two hundred forty".