1258061580840 has 256 divisors, whose sum is σ = 3966803435520. Its totient is φ = 318786462720.

The previous prime is 1258061580833. The next prime is 1258061580887. The reversal of 1258061580840 is 480851608521.

It is a self number, because there is not a number n which added to its sum of digits gives 1258061580840.

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, 79001119 + ... + 79017041.

It is an arithmetic number, because the mean of its divisors is an integer number (15495325920).

Almost surely, 2^{1258061580840} is an apocalyptic number.

1258061580840 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 1258061580840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1983401717760).

1258061580840 is an abundant number, since it is smaller than the sum of its proper divisors (2708741854680).

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

1258061580840 is a wasteful number, since it uses less digits than its factorization.

1258061580840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16352 (or 16348 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 48.

The spelling of 1258061580840 in words is "one trillion, two hundred fifty-eight billion, sixty-one million, five hundred eighty thousand, eight hundred forty".