1380671442 has 48 divisors (see below), whose sum is σ = 3152223360. Its totient is φ = 435541536.

The previous prime is 1380671441. The next prime is 1380671443. The reversal of 1380671442 is 2441760831.

It is an interprime number because it is at equal distance from previous prime (1380671441) and next prime (1380671443).

It is a junction number, because it is equal to n+sod(n) for n = 1380671397 and 1380671406.

It is not an unprimeable number, because it can be changed into a prime (1380671441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 485248 + ... + 488084.

It is an arithmetic number, because the mean of its divisors is an integer number (65671320).

Almost surely, 2^1380671442 is an apocalyptic number.

1380671442 is an abundant number, since it is smaller than the sum of its proper divisors (1771551918).

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

1380671442 is a wasteful number, since it uses less digits than its factorization.

1380671442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4287 (or 4284 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 1380671442 is about 37157.3874485276. The cubic root of 1380671442 is about 1113.5168176401.

The spelling of 1380671442 in words is "one billion, three hundred eighty million, six hundred seventy-one thousand, four hundred forty-two".