43849431442 has 16 divisors (see below), whose sum is σ = 66807902880. Its totient is φ = 21580640928.

The previous prime is 43849431427. The next prime is 43849431463. The reversal of 43849431442 is 24413494834.

It is a junction number, because it is equal to n+sod(n) for n = 43849431392 and 43849431401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45793 + ... + 299659.

It is an arithmetic number, because the mean of its divisors is an integer number (4175493930).

Almost surely, 2^43849431442 is an apocalyptic number.

43849431442 is a deficient number, since it is larger than the sum of its proper divisors (22958471438).

43849431442 is a wasteful number, since it uses less digits than its factorization.

43849431442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255225.

The product of its digits is 1327104, while the sum is 46.

The spelling of 43849431442 in words is "forty-three billion, eight hundred forty-nine million, four hundred thirty-one thousand, four hundred forty-two".