842736044 has 12 divisors (see below), whose sum is σ = 1482430824. Its totient is φ = 419184384.

The previous prime is 842736043. The next prime is 842736047. The reversal of 842736044 is 440637248.

It is a junction number, because it is equal to n+sod(n) for n = 842735989 and 842736007.

It is not an unprimeable number, because it can be changed into a prime (842736043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545042 + ... + 546585.

It is an arithmetic number, because the mean of its divisors is an integer number (123535902).

Almost surely, 2^842736044 is an apocalyptic number.

It is an amenable number.

842736044 is a deficient number, since it is larger than the sum of its proper divisors (639694780).

842736044 is a wasteful number, since it uses less digits than its factorization.

842736044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091824 (or 1091822 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 38.

The square root of 842736044 is about 29029.9163622633. The cubic root of 842736044 is about 944.5621158399.

The spelling of 842736044 in words is "eight hundred forty-two million, seven hundred thirty-six thousand, forty-four".