1380885442 has 32 divisors (see below), whose sum is σ = 2143713600. Its totient is φ = 666829248.

The previous prime is 1380885413. The next prime is 1380885511. The reversal of 1380885442 is 2445880831.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2712684 + ... + 2713192.

It is an arithmetic number, because the mean of its divisors is an integer number (66991050).

Almost surely, 2^1380885442 is an apocalyptic number.

1380885442 is a deficient number, since it is larger than the sum of its proper divisors (762828158).

1380885442 is a wasteful number, since it uses less digits than its factorization.

1380885442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930.

The product of its (nonzero) digits is 245760, while the sum is 43.

The square root of 1380885442 is about 37160.2669796653. The cubic root of 1380885442 is about 1113.5743452751.

The spelling of 1380885442 in words is "one billion, three hundred eighty million, eight hundred eighty-five thousand, four hundred forty-two".