2378319720 has 384 divisors, whose sum is σ = 8838063360. Its totient is φ = 501350400.

The previous prime is 2378319683. The next prime is 2378319739. The reversal of 2378319720 is 279138732.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23547670 + ... + 23547770.

It is an arithmetic number, because the mean of its divisors is an integer number (23015790).

Almost surely, 2^2378319720 is an apocalyptic number.

2378319720 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 2378319720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4419031680).

2378319720 is an abundant number, since it is smaller than the sum of its proper divisors (6459743640).

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

2378319720 is a wasteful number, since it uses less digits than its factorization.

2378319720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 2378319720 is about 48768.0194389725. The cubic root of 2378319720 is about 1334.8221732868.

The spelling of 2378319720 in words is "two billion, three hundred seventy-eight million, three hundred nineteen thousand, seven hundred twenty".