1820464048 has 20 divisors (see below), whose sum is σ = 3798468688. Its totient is φ = 840214080.

The previous prime is 1820463991. The next prime is 1820464111. The reversal of 1820464048 is 8404640281.

It is a junction number, because it is equal to n+sod(n) for n = 1820463998 and 1820464016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4375908 + ... + 4376323.

Almost surely, 2^1820464048 is an apocalyptic number.

It is an amenable number.

1820464048 is an abundant number, since it is smaller than the sum of its proper divisors (1978004640).

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

1820464048 is a wasteful number, since it uses less digits than its factorization.

1820464048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8752252 (or 8752246 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 37.

The square root of 1820464048 is about 42666.8963952149. The cubic root of 1820464048 is about 1221.0329082786.

The spelling of 1820464048 in words is "one billion, eight hundred twenty million, four hundred sixty-four thousand, forty-eight".