4400013012 has 48 divisors (see below), whose sum is σ = 10662339072. Its totient is φ = 1411169760.

The previous prime is 4400012987. The next prime is 4400013017. The reversal of 4400013012 is 2103100044.

It is a super-2 number, since 2×4400013012² = 38720229011538624288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4400012982 and 4400013000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400013017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29064 + ... + 98207.

It is an arithmetic number, because the mean of its divisors is an integer number (222132064).

Almost surely, 2^4400013012 is an apocalyptic number.

It is an amenable number.

4400013012 is an abundant number, since it is smaller than the sum of its proper divisors (6262326060).

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

4400013012 is a wasteful number, since it uses less digits than its factorization.

4400013012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127388 (or 127386 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 4400013012 is about 66332.5938886759. The cubic root of 4400013012 is about 1638.6441565040.

Adding to 4400013012 its reverse (2103100044), we get a palindrome (6503113056).

The spelling of 4400013012 in words is "four billion, four hundred million, thirteen thousand, twelve".