3671857042 has 24 divisors (see below), whose sum is σ = 6416651196. Its totient is φ = 1571286528.

The previous prime is 3671856973. The next prime is 3671857061. The reversal of 3671857042 is 2407581763.

It can be written as a sum of positive squares in 2 ways, for example, as 3618142801 + 53714241 = 60151^2 + 7329^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3671857042.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 38118 + ... + 93790.

Almost surely, 2^3671857042 is an apocalyptic number.

3671857042 is a deficient number, since it is larger than the sum of its proper divisors (2744794154).

3671857042 is a wasteful number, since it uses less digits than its factorization.

3671857042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56362 (or 56355 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 3671857042 is about 60595.8500394210. The cubic root of 3671857042 is about 1542.7489331507.

The spelling of 3671857042 in words is "three billion, six hundred seventy-one million, eight hundred fifty-seven thousand, forty-two".