802144044 has 72 divisors (see below), whose sum is σ = 2278584672. Its totient is φ = 236079360.

The previous prime is 802144019. The next prime is 802144051. The reversal of 802144044 is 440441208.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 802143999 and 802144017.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26497 + ... + 48024.

Almost surely, 2^802144044 is an apocalyptic number.

It is an amenable number.

802144044 is an abundant number, since it is smaller than the sum of its proper divisors (1476440628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

802144044 is a wasteful number, since it uses less digits than its factorization.

802144044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74567 (or 74562 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 802144044 is about 28322.1475880626. The cubic root of 802144044 is about 929.1463411785.

The spelling of 802144044 in words is "eight hundred two million, one hundred forty-four thousand, forty-four".