1378460232 has 96 divisors (see below), whose sum is σ = 3970189080. Its totient is φ = 430571520.

The previous prime is 1378460231. The next prime is 1378460267. The reversal of 1378460232 is 2320648731.

It is a happy number.

1378460232 is a `hidden beast` number, since 13 + 7 + 8 + 4 + 602 + 32 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1335610116 + 42850116 = 36546^2 + 6546^2 .

It is a super-2 number, since 2×1378460232² = 3800305222410987648, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1378460231) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 292648 + ... + 297320.

Almost surely, 2^1378460232 is an apocalyptic number.

1378460232 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 1378460232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1985094540).

1378460232 is an abundant number, since it is smaller than the sum of its proper divisors (2591728848).

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

1378460232 is a wasteful number, since it uses less digits than its factorization.

1378460232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4943 (or 4936 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 1378460232 is about 37127.6208771852. The cubic root of 1378460232 is about 1112.9220502268.

The spelling of 1378460232 in words is "one billion, three hundred seventy-eight million, four hundred sixty thousand, two hundred thirty-two".