4180398940 has 48 divisors (see below), whose sum is σ = 9511441632. Its totient is φ = 1537191936.

The previous prime is 4180398931. The next prime is 4180398941. The reversal of 4180398940 is 498930814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4180398941) 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 15 ways as a sum of consecutive naturals, for example, 128349 + ... + 157588.

It is an arithmetic number, because the mean of its divisors is an integer number (198155034).

Almost surely, 2^4180398940 is an apocalyptic number.

It is an amenable number.

4180398940 is an abundant number, since it is smaller than the sum of its proper divisors (5331042692).

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

4180398940 is a wasteful number, since it uses less digits than its factorization.

4180398940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286006 (or 286004 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 4180398940 is about 64656.0046708734. The cubic root of 4180398940 is about 1610.9148177216.

The spelling of 4180398940 in words is "four billion, one hundred eighty million, three hundred ninety-eight thousand, nine hundred forty".