43424442436 has 6 divisors (see below), whose sum is σ = 75992774270. Its totient is φ = 21712221216.

The previous prime is 43424442433. The next prime is 43424442461. The reversal of 43424442436 is 63424442434.

It can be written as a sum of positive squares in only one way, i.e., 31136719936 + 12287722500 = 176456^2 + 110850^2 .

It is a super-2 number, since 2×43424442436² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43424442431) 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, 5428055301 + ... + 5428055308.

Almost surely, 2^43424442436 is an apocalyptic number.

It is an amenable number.

43424442436 is a deficient number, since it is larger than the sum of its proper divisors (32568331834).

43424442436 is a wasteful number, since it uses less digits than its factorization.

43424442436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10856110613 (or 10856110611 counting only the distinct ones).

The product of its digits is 884736, while the sum is 40.

The spelling of 43424442436 in words is "forty-three billion, four hundred twenty-four million, four hundred forty-two thousand, four hundred thirty-six".