4040284660 has 24 divisors (see below), whose sum is σ = 8491643496. Its totient is φ = 1614771840.

The previous prime is 4040284649. The next prime is 4040284663. The reversal of 4040284660 is 664820404.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 156816 + 4040127844 = 396^2 + 63562^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040284663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59011 + ... + 107530.

It is an arithmetic number, because the mean of its divisors is an integer number (353818479).

Almost surely, 2^4040284660 is an apocalyptic number.

It is an amenable number.

4040284660 is an abundant number, since it is smaller than the sum of its proper divisors (4451358836).

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

4040284660 is a wasteful number, since it uses less digits than its factorization.

4040284660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167763 (or 167761 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 4040284660 is about 63563.2335552558. The cubic root of 4040284660 is about 1592.7122543128.

The spelling of 4040284660 in words is "four billion, forty million, two hundred eighty-four thousand, six hundred sixty".