4040130312 has 80 divisors (see below), whose sum is σ = 11326035600. Its totient is φ = 1345528800.

The previous prime is 4040130277. The next prime is 4040130313. The reversal of 4040130312 is 2130310404.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4040130313) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1047187 + ... + 1051037.

It is an arithmetic number, because the mean of its divisors is an integer number (141575445).

Almost surely, 2^4040130312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4040130312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5663017800).

4040130312 is an abundant number, since it is smaller than the sum of its proper divisors (7285905288).

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

4040130312 is a wasteful number, since it uses less digits than its factorization.

4040130312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5488 (or 5475 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 4040130312 is about 63562.0194141124. The cubic root of 4040130312 is about 1592.6919723193.

Adding to 4040130312 its reverse (2130310404), we get a palindrome (6170440716).

The spelling of 4040130312 in words is "four billion, forty million, one hundred thirty thousand, three hundred twelve".