1797448044 has 24 divisors (see below), whose sum is σ = 4793195008. Its totient is φ = 513556560.

The previous prime is 1797448033. The next prime is 1797448067. The reversal of 1797448044 is 4408447971.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1797447984 and 1797448002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10699012 + ... + 10699179.

Almost surely, 2^1797448044 is an apocalyptic number.

1797448044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1797448044 is an abundant number, since it is smaller than the sum of its proper divisors (2995746964).

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

1797448044 is a wasteful number, since it uses less digits than its factorization.

1797448044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21398205 (or 21398203 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 48.

The square root of 1797448044 is about 42396.3211139835. The cubic root of 1797448044 is about 1215.8652564153.

The spelling of 1797448044 in words is "one billion, seven hundred ninety-seven million, four hundred forty-eight thousand, forty-four".