43490217532 has 6 divisors (see below), whose sum is σ = 76107880688. Its totient is φ = 21745108764.

The previous prime is 43490217527. The next prime is 43490217539. The reversal of 43490217532 is 23571209434.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43490217539) 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 as a sum of consecutive naturals, namely, 5436277188 + ... + 5436277195.

Almost surely, 2^43490217532 is an apocalyptic number.

It is an amenable number.

43490217532 is a deficient number, since it is larger than the sum of its proper divisors (32617663156).

43490217532 is a wasteful number, since it uses less digits than its factorization.

43490217532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10872554387 (or 10872554385 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 43490217532 in words is "forty-three billion, four hundred ninety million, two hundred seventeen thousand, five hundred thirty-two".