12458055140 has 24 divisors (see below), whose sum is σ = 26173401912. Its totient is φ = 4981034240.

The previous prime is 12458055121. The next prime is 12458055149. The reversal of 12458055140 is 4155085421.

It can be written as a sum of positive squares in 4 ways, for example, as 2725048804 + 9733006336 = 52202^2 + 98656^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12458055140.

It is not an unprimeable number, because it can be changed into a prime (12458055149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89651 + ... + 181530.

It is an arithmetic number, because the mean of its divisors is an integer number (1090558413).

Almost surely, 2^12458055140 is an apocalyptic number.

12458055140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12458055140 is an abundant number, since it is smaller than the sum of its proper divisors (13715346772).

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

12458055140 is a wasteful number, since it uses less digits than its factorization.

12458055140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273487 (or 273485 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 35.

The spelling of 12458055140 in words is "twelve billion, four hundred fifty-eight million, fifty-five thousand, one hundred forty".