1848615491044 has 27 divisors (see below), whose sum is σ = 3763291713993. Its totient is φ = 792255624048.

The previous prime is 1848615491029. The next prime is 1848615491111. The reversal of 1848615491044 is 4401945168481.

The square root of 1848615491044 is 1359638.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1593073108900 + 255542382144 = 1262170^2 + 505512^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 18986374 + ... + 19083490.

Almost surely, 2^{1848615491044} is an apocalyptic number.

1848615491044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1848615491044 is the 1359638-th square number.

It is an amenable number.

1848615491044 is an abundant number, since it is smaller than the sum of its proper divisors (1914676222949).

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

1848615491044 is an frugal number, since it uses more digits than its factorization.

1848615491044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194252 (or 97126 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 55.

The spelling of 1848615491044 in words is "one trillion, eight hundred forty-eight billion, six hundred fifteen million, four hundred ninety-one thousand, forty-four".