2381774880 has 96 divisors (see below), whose sum is σ = 7515232704. Its totient is φ = 634070016.

The previous prime is 2381774861. The next prime is 2381774903. The reversal of 2381774880 is 884771832.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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

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, 304782 + ... + 312498.

It is an arithmetic number, because the mean of its divisors is an integer number (78283674).

Almost surely, 2^2381774880 is an apocalyptic number.

2381774880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2381774880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3757616352).

2381774880 is an abundant number, since it is smaller than the sum of its proper divisors (5133457824).

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

2381774880 is a wasteful number, since it uses less digits than its factorization.

2381774880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8378 (or 8370 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 48.

The square root of 2381774880 is about 48803.4310269268. The cubic root of 2381774880 is about 1335.4682586348.

The spelling of 2381774880 in words is "two billion, three hundred eighty-one million, seven hundred seventy-four thousand, eight hundred eighty".