1872220048 has 20 divisors (see below), whose sum is σ = 3752510940. Its totient is φ = 903830144.

The previous prime is 1872220027. The next prime is 1872220057. The reversal of 1872220048 is 8400222781.

It can be written as a sum of positive squares in 2 ways, for example, as 742453504 + 1129766544 = 27248^2 + 33612^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1872219995 and 1872220022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2017015 + ... + 2017942.

It is an arithmetic number, because the mean of its divisors is an integer number (187625547).

Almost surely, 2^1872220048 is an apocalyptic number.

It is an amenable number.

1872220048 is an abundant number, since it is smaller than the sum of its proper divisors (1880290892).

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

1872220048 is a wasteful number, since it uses less digits than its factorization.

1872220048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4034994 (or 4034988 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 1872220048 is about 43269.1581614434. The cubic root of 1872220048 is about 1232.4963178508.

The spelling of 1872220048 in words is "one billion, eight hundred seventy-two million, two hundred twenty thousand, forty-eight".