1671439042 has 32 divisors (see below), whose sum is σ = 3087995904. Its totient is φ = 660744000.

The previous prime is 1671439037. The next prime is 1671439057. The reversal of 1671439042 is 2409341761.

It is a super-2 number, since 2×1671439042² = 5587416942243755528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1671438992 and 1671439010.

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, 343567 + ... + 348397.

It is an arithmetic number, because the mean of its divisors is an integer number (96499872).

Almost surely, 2^1671439042 is an apocalyptic number.

1671439042 is a deficient number, since it is larger than the sum of its proper divisors (1416556862).

1671439042 is a wasteful number, since it uses less digits than its factorization.

1671439042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6754.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 1671439042 is about 40883.2366869356. The cubic root of 1671439042 is about 1186.7616783995.

The spelling of 1671439042 in words is "one billion, six hundred seventy-one million, four hundred thirty-nine thousand, forty-two".