1798645242 has 16 divisors (see below), whose sum is σ = 3597994080. Its totient is φ = 599431152.

The previous prime is 1798645229. The next prime is 1798645249. The reversal of 1798645242 is 2425468971.

It is a junction number, because it is equal to n+sod(n) for n = 1798645191 and 1798645200.

It is not an unprimeable number, because it can be changed into a prime (1798645249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7468 + ... + 60440.

It is an arithmetic number, because the mean of its divisors is an integer number (224874630).

Almost surely, 2^1798645242 is an apocalyptic number.

1798645242 is an abundant number, since it is smaller than the sum of its proper divisors (1799348838).

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

1798645242 is a wasteful number, since it uses less digits than its factorization.

1798645242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58637.

The product of its digits is 967680, while the sum is 48.

The square root of 1798645242 is about 42410.4378897460. The cubic root of 1798645242 is about 1216.1351405993.

The spelling of 1798645242 in words is "one billion, seven hundred ninety-eight million, six hundred forty-five thousand, two hundred forty-two".