1378462752 has 96 divisors (see below), whose sum is σ = 4038652800. Its totient is φ = 457415424.

The previous prime is 1378462747. The next prime is 1378462783. The reversal of 1378462752 is 2572648731.

1378462752 is a `hidden beast` number, since 1 + 378 + 4 + 6 + 275 + 2 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1378462698 and 1378462707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194373 + ... + 201339.

It is an arithmetic number, because the mean of its divisors is an integer number (42069300).

Almost surely, 2^1378462752 is an apocalyptic number.

1378462752 is a gapful number since it is divisible by the number (12) 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 1378462752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2019326400).

1378462752 is an abundant number, since it is smaller than the sum of its proper divisors (2660190048).

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

1378462752 is a wasteful number, since it uses less digits than its factorization.

1378462752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7215 (or 7201 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 1378462752 is about 37127.6548141678. The cubic root of 1378462752 is about 1112.9227284139.

The spelling of 1378462752 in words is "one billion, three hundred seventy-eight million, four hundred sixty-two thousand, seven hundred fifty-two".