1854947472 has 40 divisors (see below), whose sum is σ = 5476512576. Its totient is φ = 529984896.

The previous prime is 1854947443. The next prime is 1854947473. The reversal of 1854947472 is 2747494581.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1854947473) 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, 2760003 + ... + 2760674.

Almost surely, 2^1854947472 is an apocalyptic number.

1854947472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1854947472 is an abundant number, since it is smaller than the sum of its proper divisors (3621565104).

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

1854947472 is a wasteful number, since it uses less digits than its factorization.

1854947472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5520695 (or 5520689 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The square root of 1854947472 is about 43069.1011283031. The cubic root of 1854947472 is about 1228.6943803499.

The spelling of 1854947472 in words is "one billion, eight hundred fifty-four million, nine hundred forty-seven thousand, four hundred seventy-two".