43740774434 has 12 divisors (see below), whose sum is σ = 76323188214. Its totient is φ = 18746046144.

The previous prime is 43740774433. The next prime is 43740774449. The reversal of 43740774434 is 43447704734.

It can be written as a sum of positive squares in only one way, i.e., 23705221225 + 20035553209 = 153965^2 + 141547^2 .

It is not an unprimeable number, because it can be changed into a prime (43740774433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 223167119 + ... + 223167314.

Almost surely, 2^43740774434 is an apocalyptic number.

43740774434 is a deficient number, since it is larger than the sum of its proper divisors (32582413780).

43740774434 is a wasteful number, since it uses less digits than its factorization.

43740774434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446334449 (or 446334442 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 47.

The spelling of 43740774434 in words is "forty-three billion, seven hundred forty million, seven hundred seventy-four thousand, four hundred thirty-four".