1259942970880 has 320 divisors, whose sum is σ = 3353162883840. Its totient is φ = 450220032000.

The previous prime is 1259942970859. The next prime is 1259942970893. The reversal of 1259942970880 is 880792499521.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395336647 + ... + 395339833.

It is an arithmetic number, because the mean of its divisors is an integer number (10478634012).

Almost surely, 2^{1259942970880} is an apocalyptic number.

1259942970880 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 1259942970880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1676581441920).

1259942970880 is an abundant number, since it is smaller than the sum of its proper divisors (2093219912960).

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

1259942970880 is a wasteful number, since it uses less digits than its factorization.

1259942970880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461 (or 3445 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 64.

The spelling of 1259942970880 in words is "one trillion, two hundred fifty-nine billion, nine hundred forty-two million, nine hundred seventy thousand, eight hundred eighty".