43420293952 has 42 divisors (see below), whose sum is σ = 100229442162. Its totient is φ = 18608696064.

The previous prime is 43420293881. The next prime is 43420293953. The reversal of 43420293952 is 25939202434.

It can be written as a sum of positive squares in only one way, i.e., 38394051136 + 5026242816 = 195944^2 + 70896^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43420293899 and 43420293908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43420293953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6919743 + ... + 6926014.

Almost surely, 2^43420293952 is an apocalyptic number.

It is an amenable number.

43420293952 is an abundant number, since it is smaller than the sum of its proper divisors (56809148210).

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

43420293952 is a wasteful number, since it uses less digits than its factorization.

43420293952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13845783 (or 13845766 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 43420293952 in words is "forty-three billion, four hundred twenty million, two hundred ninety-three thousand, nine hundred fifty-two".