1798405268 has 12 divisors (see below), whose sum is σ = 3433319232. Its totient is φ = 817456920.

The previous prime is 1798405253. The next prime is 1798405277. The reversal of 1798405268 is 8625048971.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20436380 + ... + 20436467.

It is an arithmetic number, because the mean of its divisors is an integer number (286109936).

Almost surely, 2^1798405268 is an apocalyptic number.

It is an amenable number.

1798405268 is a deficient number, since it is larger than the sum of its proper divisors (1634913964).

1798405268 is a wasteful number, since it uses less digits than its factorization.

1798405268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40872862 (or 40872860 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The square root of 1798405268 is about 42407.6086097766. The cubic root of 1798405268 is about 1216.0810528917.

The spelling of 1798405268 in words is "one billion, seven hundred ninety-eight million, four hundred five thousand, two hundred sixty-eight".