1672440355 has 32 divisors (see below), whose sum is σ = 2079866880. Its totient is φ = 1290487680.

The previous prime is 1672440317. The next prime is 1672440361. The reversal of 1672440355 is 5530442761.

It is not a de Polignac number, because 1672440355 - 2⁹ = 1672439843 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 4366494 + ... + 4366876.

It is an arithmetic number, because the mean of its divisors is an integer number (64995840).

Almost surely, 2^1672440355 is an apocalyptic number.

1672440355 is a deficient number, since it is larger than the sum of its proper divisors (407426525).

1672440355 is a wasteful number, since it uses less digits than its factorization.

1672440355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 1672440355 is about 40895.4808628044. The cubic root of 1672440355 is about 1186.9986164808.

The spelling of 1672440355 in words is "one billion, six hundred seventy-two million, four hundred forty thousand, three hundred fifty-five".