1994418048 has 128 divisors (see below), whose sum is σ = 6071040000. Its totient is φ = 568276992.

The previous prime is 1994417983. The next prime is 1994418089. The reversal of 1994418048 is 8408144991.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1994417988 and 1994418006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1286778 + ... + 1288326.

It is an arithmetic number, because the mean of its divisors is an integer number (47430000).

Almost surely, 2^1994418048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1994418048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3035520000).

1994418048 is an abundant number, since it is smaller than the sum of its proper divisors (4076621952).

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

1994418048 is a wasteful number, since it uses less digits than its factorization.

1994418048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052 (or 2040 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 1994418048 is about 44658.9078236358. The cubic root of 1994418048 is about 1258.7478212619.

The spelling of 1994418048 in words is "one billion, nine hundred ninety-four million, four hundred eighteen thousand, forty-eight".