4390197660 has 72 divisors (see below), whose sum is σ = 13626653040. Its totient is φ = 1143491328.

The previous prime is 4390197641. The next prime is 4390197661. The reversal of 4390197660 is 667910934.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4390197661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 275865 + ... + 291344.

It is an arithmetic number, because the mean of its divisors is an integer number (189259070).

Almost surely, 2^4390197660 is an apocalyptic number.

It is an amenable number.

4390197660 is an abundant number, since it is smaller than the sum of its proper divisors (9236455380).

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

4390197660 is a wasteful number, since it uses less digits than its factorization.

4390197660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567267 (or 567262 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 4390197660 is about 66258.5666914098. The cubic root of 4390197660 is about 1637.4247780064.

The spelling of 4390197660 in words is "four billion, three hundred ninety million, one hundred ninety-seven thousand, six hundred sixty".