43542404252 has 12 divisors (see below), whose sum is σ = 76207196520. Its totient is φ = 21768919536.

The previous prime is 43542404201. The next prime is 43542404263. The reversal of 43542404252 is 25240424534.

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, 527363 + ... + 604314.

It is an arithmetic number, because the mean of its divisors is an integer number (6350599710).

Almost surely, 2^43542404252 is an apocalyptic number.

It is an amenable number.

43542404252 is a deficient number, since it is larger than the sum of its proper divisors (32664792268).

43542404252 is a wasteful number, since it uses less digits than its factorization.

43542404252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141300 (or 1141298 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 43542404252 its reverse (25240424534), we get a palindrome (68782828786).

The spelling of 43542404252 in words is "forty-three billion, five hundred forty-two million, four hundred four thousand, two hundred fifty-two".