1246890245780 has 24 divisors (see below), whose sum is σ = 2622111367680. Its totient is φ = 498062412320.

The previous prime is 1246890245779. The next prime is 1246890245789. The reversal of 1246890245780 is 875420986421.

It is a super-4 number, since 4×1246890245780⁴ (a number of 49 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1246890245789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43340636 + ... + 43369395.

It is an arithmetic number, because the mean of its divisors is an integer number (109254640320).

Almost surely, 2^{1246890245780} is an apocalyptic number.

1246890245780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1246890245780 is an abundant number, since it is smaller than the sum of its proper divisors (1375221121900).

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

1246890245780 is a wasteful number, since it uses less digits than its factorization.

1246890245780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86710759 (or 86710757 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 1246890245780 in words is "one trillion, two hundred forty-six billion, eight hundred ninety million, two hundred forty-five thousand, seven hundred eighty".