43246605442 has 4 divisors (see below), whose sum is σ = 64869908166. Its totient is φ = 21623302720.

The previous prime is 43246605383. The next prime is 43246605463. The reversal of 43246605442 is 24450664234.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24307616281 + 18938989161 = 155909^2 + 137619^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43246605395 and 43246605404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10811651359 + ... + 10811651362.

Almost surely, 2^43246605442 is an apocalyptic number.

43246605442 is a deficient number, since it is larger than the sum of its proper divisors (21623302724).

43246605442 is a wasteful number, since it uses less digits than its factorization.

43246605442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21623302723.

The product of its (nonzero) digits is 552960, while the sum is 40.

The spelling of 43246605442 in words is "forty-three billion, two hundred forty-six million, six hundred five thousand, four hundred forty-two".