1378466352 has 60 divisors (see below), whose sum is σ = 4084727400. Its totient is φ = 432459264.

The previous prime is 1378466333. The next prime is 1378466357. The reversal of 1378466352 is 2536648731.

1378466352 is a `hidden beast` number, since 1 + 3 + 7 + 8 + 4 + 6 + 635 + 2 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1378466298 and 1378466307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378466357) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 279102 + ... + 283997.

It is an arithmetic number, because the mean of its divisors is an integer number (68078790).

Almost surely, 2^1378466352 is an apocalyptic number.

1378466352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1378466352 is an abundant number, since it is smaller than the sum of its proper divisors (2706261048).

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

1378466352 is a wasteful number, since it uses less digits than its factorization.

1378466352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563130 (or 563121 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 1378466352 is about 37127.7032955178. The cubic root of 1378466352 is about 1112.9236972512.

The spelling of 1378466352 in words is "one billion, three hundred seventy-eight million, four hundred sixty-six thousand, three hundred fifty-two".