1260994324590 has 768 divisors, whose sum is σ = 4463528509440. Its totient is φ = 238516669440.

The previous prime is 1260994324547. The next prime is 1260994324621. The reversal of 1260994324590 is 954234990621.

1260994324590 is a `hidden beast` number, since 1 + 2 + 6 + 0 + 9 + 9 + 43 + 2 + 4 + 590 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 3512518831 + ... + 3512519189.

It is an arithmetic number, because the mean of its divisors is an integer number (5811886080).

Almost surely, 2^{1260994324590} is an apocalyptic number.

1260994324590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1260994324590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2231764254720).

1260994324590 is an abundant number, since it is smaller than the sum of its proper divisors (3202534184850).

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

1260994324590 is a wasteful number, since it uses less digits than its factorization.

1260994324590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 1260994324590 in words is "one trillion, two hundred sixty billion, nine hundred ninety-four million, three hundred twenty-four thousand, five hundred ninety".