4031420660 has 12 divisors (see below), whose sum is σ = 8465983428. Its totient is φ = 1612568256.

The previous prime is 4031420621. The next prime is 4031420663. The reversal of 4031420660 is 660241304.

It can be written as a sum of positive squares in 2 ways, for example, as 471150436 + 3560270224 = 21706^2 + 59668^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4031420663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100785497 + ... + 100785536.

It is an arithmetic number, because the mean of its divisors is an integer number (705498619).

Almost surely, 2^4031420660 is an apocalyptic number.

It is an amenable number.

4031420660 is an abundant number, since it is smaller than the sum of its proper divisors (4434562768).

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

4031420660 is a wasteful number, since it uses less digits than its factorization.

4031420660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201571042 (or 201571040 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 4031420660 is about 63493.4694279656. The cubic root of 4031420660 is about 1591.5466484555.

Adding to 4031420660 its reverse (660241304), we get a palindrome (4691661964).

The spelling of 4031420660 in words is "four billion, thirty-one million, four hundred twenty thousand, six hundred sixty".