4000133472 has 24 divisors (see below), whose sum is σ = 10500350616. Its totient is φ = 1333377792.

The previous prime is 4000133461. The next prime is 4000133497. The reversal of 4000133472 is 2743310004.

4000133472 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20833933 + ... + 20834124.

It is an arithmetic number, because the mean of its divisors is an integer number (437514609).

Almost surely, 2^4000133472 is an apocalyptic number.

It is an amenable number.

4000133472 is an abundant number, since it is smaller than the sum of its proper divisors (6500217144).

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

4000133472 is a wasteful number, since it uses less digits than its factorization.

4000133472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41668070 (or 41668062 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 4000133472 is about 63246.6083833750. The cubic root of 4000133472 is about 1587.4187079046.

Adding to 4000133472 its reverse (2743310004), we get a palindrome (6743443476).

The spelling of 4000133472 in words is "four billion, one hundred thirty-three thousand, four hundred seventy-two".