4001455500 has 192 divisors, whose sum is σ = 13397529600. Its totient is φ = 909081600.

The previous prime is 4001455489. The next prime is 4001455517. The reversal of 4001455500 is 55541004.

4001455500 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 super-2 number, since 2×4001455500² = 32023292236960500000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1878436 + ... + 1880564.

It is an arithmetic number, because the mean of its divisors is an integer number (69778800).

Almost surely, 2^4001455500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4001455500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6698764800).

4001455500 is an abundant number, since it is smaller than the sum of its proper divisors (9396074100).

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

4001455500 is a wasteful number, since it uses less digits than its factorization.

4001455500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337 (or 2325 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 4001455500 is about 63257.0588946404. The cubic root of 4001455500 is about 1587.5935671389.

Adding to 4001455500 its reverse (55541004), we get a palindrome (4056996504).

The spelling of 4001455500 in words is "four billion, one million, four hundred fifty-five thousand, five hundred".