12752045240 has 64 divisors (see below), whose sum is σ = 31831056000. Its totient is φ = 4558503040.

The previous prime is 12752045239. The next prime is 12752045279. The reversal of 12752045240 is 4254025721.

It is a super-2 number, since 2×12752045240² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12752045197 and 12752045206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219650 + ... + 271569.

It is an arithmetic number, because the mean of its divisors is an integer number (497360250).

Almost surely, 2^12752045240 is an apocalyptic number.

12752045240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12752045240 is an abundant number, since it is smaller than the sum of its proper divisors (19079010760).

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

12752045240 is a wasteful number, since it uses less digits than its factorization.

12752045240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491300 (or 491296 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 32.

The spelling of 12752045240 in words is "twelve billion, seven hundred fifty-two million, forty-five thousand, two hundred forty".