42743804644 has 24 divisors (see below), whose sum is σ = 76410004608. Its totient is φ = 20912575200.

The previous prime is 42743804639. The next prime is 42743804659. The reversal of 42743804644 is 44640834724.

It is a junction number, because it is equal to n+sod(n) for n = 42743804594 and 42743804603.

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, 927082 + ... + 972094.

It is an arithmetic number, because the mean of its divisors is an integer number (3183750192).

Almost surely, 2^42743804644 is an apocalyptic number.

It is an amenable number.

42743804644 is a deficient number, since it is larger than the sum of its proper divisors (33666199964).

42743804644 is a wasteful number, since it uses less digits than its factorization.

42743804644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50115 (or 50113 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 46.

The spelling of 42743804644 in words is "forty-two billion, seven hundred forty-three million, eight hundred four thousand, six hundred forty-four".