43455412852 has 12 divisors (see below), whose sum is σ = 80520323940. Its totient is φ = 20449606016.

The previous prime is 43455412849. The next prime is 43455412907. The reversal of 43455412852 is 25821455434.

43455412852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 25458117136 + 17997295716 = 159556^2 + 134154^2 .

It is a super-2 number, since 2×43455412852² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43455412799 and 43455412808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319525027 + ... + 319525162.

It is an arithmetic number, because the mean of its divisors is an integer number (6710026995).

Almost surely, 2^43455412852 is an apocalyptic number.

It is an amenable number.

43455412852 is a deficient number, since it is larger than the sum of its proper divisors (37064911088).

43455412852 is a wasteful number, since it uses less digits than its factorization.

43455412852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639050210 (or 639050208 counting only the distinct ones).

The product of its digits is 768000, while the sum is 43.

The spelling of 43455412852 in words is "forty-three billion, four hundred fifty-five million, four hundred twelve thousand, eight hundred fifty-two".