4194943040 has 28 divisors (see below), whose sum is σ = 9989208876. Its totient is φ = 1677977088.

The previous prime is 4194943009. The next prime is 4194943073. The reversal of 4194943040 is 403494914.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 564157504 + 3630785536 = 23752^2 + 60256^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4194942985 and 4194943003.

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 3 ways as a sum of consecutive naturals, for example, 6554279 + ... + 6554918.

Almost surely, 2^4194943040 is an apocalyptic number.

4194943040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4194943040 is an abundant number, since it is smaller than the sum of its proper divisors (5794265836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4194943040 is a wasteful number, since it uses less digits than its factorization.

4194943040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13109214 (or 13109204 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 4194943040 is about 64768.3799395971. The cubic root of 4194943040 is about 1612.7808427771.

The spelling of 4194943040 in words is "four billion, one hundred ninety-four million, nine hundred forty-three thousand, forty".