43450342132 has 6 divisors (see below), whose sum is σ = 76038098738. Its totient is φ = 21725171064.

The previous prime is 43450342129. The next prime is 43450342141. The reversal of 43450342132 is 23124305434.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 42043041936 + 1407300196 = 205044^2 + 37514^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43450342094 and 43450342103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5431292763 + ... + 5431292770.

Almost surely, 2^43450342132 is an apocalyptic number.

It is an amenable number.

43450342132 is a deficient number, since it is larger than the sum of its proper divisors (32587756606).

43450342132 is a wasteful number, since it uses less digits than its factorization.

43450342132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10862585537 (or 10862585535 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 43450342132 its reverse (23124305434), we get a palindrome (66574647566).

The spelling of 43450342132 in words is "forty-three billion, four hundred fifty million, three hundred forty-two thousand, one hundred thirty-two".