4012552500 has 240 divisors, whose sum is σ = 13518622656. Its totient is φ = 915200000.

The previous prime is 4012552493. The next prime is 4012552501. The reversal of 4012552500 is 52552104.

It is a happy number.

It is a super-2 number, since 2×4012552500² = 32201155130512500000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012552501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1401070 + ... + 1403930.

Almost surely, 2^4012552500 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 4012552500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6759311328).

4012552500 is an abundant number, since it is smaller than the sum of its proper divisors (9506070156).

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

4012552500 is a wasteful number, since it uses less digits than its factorization.

4012552500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916 (or 2899 counting only the distinct ones).

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

The square root of 4012552500 is about 63344.7116971891. The cubic root of 4012552500 is about 1589.0598056929.

The spelling of 4012552500 in words is "four billion, twelve million, five hundred fifty-two thousand, five hundred".