4000323152 has 30 divisors (see below), whose sum is σ = 9016036218. Its totient is φ = 1714423872.

The previous prime is 4000323149. The next prime is 4000323157. The reversal of 4000323152 is 2513230004.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2588367376 + 1411955776 = 50876^2 + 37576^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000323157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2550443 + ... + 2552010.

Almost surely, 2^4000323152 is an apocalyptic number.

It is an amenable number.

4000323152 is an abundant number, since it is smaller than the sum of its proper divisors (5015713066).

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

4000323152 is a wasteful number, since it uses less digits than its factorization.

4000323152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5102475 (or 5102462 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 4000323152 is about 63248.1078926477. The cubic root of 4000323152 is about 1587.4437984691.

Adding to 4000323152 its reverse (2513230004), we get a palindrome (6513553156).

The spelling of 4000323152 in words is "four billion, three hundred twenty-three thousand, one hundred fifty-two".