43701139444 has 6 divisors (see below), whose sum is σ = 76476994034. Its totient is φ = 21850569720.

The previous prime is 43701139439. The next prime is 43701139457. The reversal of 43701139444 is 44493110734.

It can be written as a sum of positive squares in only one way, i.e., 23198336100 + 20502803344 = 152310^2 + 143188^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43701139397 and 43701139406.

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, 5462642427 + ... + 5462642434.

Almost surely, 2^43701139444 is an apocalyptic number.

It is an amenable number.

43701139444 is a deficient number, since it is larger than the sum of its proper divisors (32775854590).

43701139444 is a wasteful number, since it uses less digits than its factorization.

43701139444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10925284865 (or 10925284863 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 43701139444 in words is "forty-three billion, seven hundred one million, one hundred thirty-nine thousand, four hundred forty-four".