4004544312 has 32 divisors (see below), whose sum is σ = 11123734800. Its totient is φ = 1334848032.

The previous prime is 4004544307. The next prime is 4004544331. The reversal of 4004544312 is 2134454004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9269563 + ... + 9269994.

Almost surely, 2^4004544312 is an apocalyptic number.

It is an amenable number.

4004544312 is an abundant number, since it is smaller than the sum of its proper divisors (7119190488).

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

4004544312 is a wasteful number, since it uses less digits than its factorization.

4004544312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18539572 (or 18539562 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 4004544312 is about 63281.4689462879. The cubic root of 4004544312 is about 1588.0019616030.

Adding to 4004544312 its reverse (2134454004), we get a palindrome (6138998316).

The spelling of 4004544312 in words is "four billion, four million, five hundred forty-four thousand, three hundred twelve".