4000067744 has 12 divisors (see below), whose sum is σ = 7875133434. Its totient is φ = 2000033856.

The previous prime is 4000067653. The next prime is 4000067779. The reversal of 4000067744 is 4477600004.

It can be written as a sum of positive squares in only one way, i.e., 3917257744 + 82810000 = 62588^2 + 9100^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 125002117 = 4000067744 / (4 + 0 + 0 + 0 + 0 + 6 + 7 + 7 + 4 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 4000067744.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62501027 + ... + 62501090.

Almost surely, 2^4000067744 is an apocalyptic number.

It is an amenable number.

4000067744 is a deficient number, since it is larger than the sum of its proper divisors (3875065690).

4000067744 is a wasteful number, since it uses less digits than its factorization.

4000067744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125002127 (or 125002119 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 4000067744 is about 63246.0887644446. The cubic root of 4000067744 is about 1587.4100133257.

Adding to 4000067744 its reverse (4477600004), we get a palindrome (8477667748).

The spelling of 4000067744 in words is "four billion, sixty-seven thousand, seven hundred forty-four".