8435440442 has 32 divisors (see below), whose sum is σ = 15344792064. Its totient is φ = 3425169600.

The previous prime is 8435440423. The next prime is 8435440487. The reversal of 8435440442 is 2440445348.

It is a junction number, because it is equal to n+sod(n) for n = 8435440396 and 8435440405.

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, 466853 + ... + 484584.

It is an arithmetic number, because the mean of its divisors is an integer number (479524752).

Almost surely, 2^8435440442 is an apocalyptic number.

8435440442 is a deficient number, since it is larger than the sum of its proper divisors (6909351622).

8435440442 is a wasteful number, since it uses less digits than its factorization.

8435440442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951494.

The product of its (nonzero) digits is 245760, while the sum is 38.

The square root of 8435440442 is about 91844.6538563895. The cubic root of 8435440442 is about 2035.6475545069.

The spelling of 8435440442 in words is "eight billion, four hundred thirty-five million, four hundred forty thousand, four hundred forty-two".