2378279448 has 64 divisors (see below), whose sum is σ = 6654636000. Its totient is φ = 786963456.

The previous prime is 2378279417. The next prime is 2378279459. The reversal of 2378279448 is 8449728732.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 2378279394 and 2378279403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10593 + ... + 69776.

Almost surely, 2^2378279448 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 2378279448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3327318000).

2378279448 is an abundant number, since it is smaller than the sum of its proper divisors (4276356552).

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

2378279448 is a wasteful number, since it uses less digits than its factorization.

2378279448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80521 (or 80511 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The square root of 2378279448 is about 48767.6065436884. The cubic root of 2378279448 is about 1334.8146390794.

The spelling of 2378279448 in words is "two billion, three hundred seventy-eight million, two hundred seventy-nine thousand, four hundred forty-eight".