1378410048 has 140 divisors (see below), whose sum is σ = 4326671052. Its totient is φ = 432414720.

The previous prime is 1378410023. The next prime is 1378410067. The reversal of 1378410048 is 8400148731.

It can be written as a sum of positive squares in 2 ways, for example, as 1275346944 + 103063104 = 35712^2 + 10152^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1378409994 and 1378410021.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 80308 + ... + 95948.

Almost surely, 2^1378410048 is an apocalyptic number.

1378410048 is a gapful number since it is divisible by the number (18) 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 1378410048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2163335526).

1378410048 is an abundant number, since it is smaller than the sum of its proper divisors (2948261004).

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

1378410048 is a wasteful number, since it uses less digits than its factorization.

1378410048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15682 (or 15663 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 1378410048 is about 37126.9450399572. The cubic root of 1378410048 is about 1112.9085444429.

Adding to 1378410048 its reverse (8400148731), we get a palindrome (9778558779).

It can be divided in two parts, 13784 and 10048, that added together give a palindrome (23832).

The spelling of 1378410048 in words is "one billion, three hundred seventy-eight million, four hundred ten thousand, forty-eight".