1940484671 has 8 divisors (see below), whose sum is σ = 1960227360. Its totient is φ = 1920759552.

The previous prime is 1940484641. The next prime is 1940484673. The reversal of 1940484671 is 1764840491.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1940484671 - 2¹⁸ = 1940222527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940484673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437915 + ... + 442323.

It is an arithmetic number, because the mean of its divisors is an integer number (245028420).

Almost surely, 2^1940484671 is an apocalyptic number.

1940484671 is a deficient number, since it is larger than the sum of its proper divisors (19742689).

1940484671 is a wasteful number, since it uses less digits than its factorization.

1940484671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8785.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 1940484671 is about 44050.9326916014. The cubic root of 1940484671 is about 1247.2975581368.

The spelling of 1940484671 in words is "one billion, nine hundred forty million, four hundred eighty-four thousand, six hundred seventy-one".