2378028312 has 96 divisors (see below), whose sum is σ = 7189490880. Its totient is φ = 703846080.

The previous prime is 2378028311. The next prime is 2378028337. The reversal of 2378028312 is 2138208732.

It is a happy number.

2378028312 is a `hidden beast` number, since 2 + 378 + 0 + 283 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2378028311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 858 + ... + 68969.

It is an arithmetic number, because the mean of its divisors is an integer number (74890530).

Almost surely, 2^2378028312 is an apocalyptic number.

2378028312 is a gapful number since it is divisible by the number (22) 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 2378028312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3594745440).

2378028312 is an abundant number, since it is smaller than the sum of its proper divisors (4811462568).

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

2378028312 is a wasteful number, since it uses less digits than its factorization.

2378028312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69893 (or 69886 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 2378028312 is about 48765.0316517892. The cubic root of 2378028312 is about 1334.7676538790.

The spelling of 2378028312 in words is "two billion, three hundred seventy-eight million, twenty-eight thousand, three hundred twelve".