2381994048 has 56 divisors (see below), whose sum is σ = 7202700352. Its totient is φ = 680569344.

The previous prime is 2381994047. The next prime is 2381994067. The reversal of 2381994048 is 8404991832.

It is a tau number, because it is divible by the number of its divisors (56).

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 = 2381993988 and 2381994006.

It is not an unprimeable number, because it can be changed into a prime (2381994047) 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, 884815 + ... + 887502.

Almost surely, 2^2381994048 is an apocalyptic number.

2381994048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2381994048 is an abundant number, since it is smaller than the sum of its proper divisors (4820706304).

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

2381994048 is a wasteful number, since it uses less digits than its factorization.

2381994048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772339 (or 1772329 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 2381994048 is about 48805.6763911740. The cubic root of 2381994048 is about 1335.5092200949.

The spelling of 2381994048 in words is "two billion, three hundred eighty-one million, nine hundred ninety-four thousand, forty-eight".