1851456848 has 40 divisors (see below), whose sum is σ = 3708595968. Its totient is φ = 894845952.

The previous prime is 1851456839. The next prime is 1851456851. The reversal of 1851456848 is 8486541581.

It is a junction number, because it is equal to n+sod(n) for n = 1851456796 and 1851456805.

It is a congruent number.

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, 52865 + ... + 80607.

Almost surely, 2^1851456848 is an apocalyptic number.

It is an amenable number.

1851456848 is an abundant number, since it is smaller than the sum of its proper divisors (1857139120).

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

1851456848 is a wasteful number, since it uses less digits than its factorization.

1851456848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27891 (or 27885 counting only the distinct ones).

The product of its digits is 1228800, while the sum is 50.

The square root of 1851456848 is about 43028.5585164086. The cubic root of 1851456848 is about 1227.9231809401.

The spelling of 1851456848 in words is "one billion, eight hundred fifty-one million, four hundred fifty-six thousand, eight hundred forty-eight".