4431656206442 has 32 divisors (see below), whose sum is σ = 6898592962128. Its totient is φ = 2133385537536.

The previous prime is 4431656206433. The next prime is 4431656206459. The reversal of 4431656206442 is 2446026561344.

It can be written as a sum of positive squares in 8 ways, for example, as 2500164978481 + 1931491227961 = 1581191^2 + 1389781^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50180348 + ... + 50268584.

Almost surely, 2^{4431656206442} is an apocalyptic number.

4431656206442 is a deficient number, since it is larger than the sum of its proper divisors (2466936755686).

4431656206442 is a wasteful number, since it uses less digits than its factorization.

4431656206442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95370.

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 4431656206442 in words is "four trillion, four hundred thirty-one billion, six hundred fifty-six million, two hundred six thousand, four hundred forty-two".