4561276500 has 216 divisors, whose sum is σ = 15818233704. Its totient is φ = 1105632000.

The previous prime is 4561276463. The next prime is 4561276507. The reversal of 4561276500 is 56721654.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 728676036 + 3832600464 = 26994^2 + 61908^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4561276507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 540312 + ... + 548688.

Almost surely, 2^4561276500 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 4561276500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7909116852).

4561276500 is an abundant number, since it is smaller than the sum of its proper divisors (11256957204).

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

4561276500 is a wasteful number, since it uses less digits than its factorization.

4561276500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8424 (or 8398 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 4561276500 is about 67537.2230699486. The cubic root of 4561276500 is about 1658.4235893291.

The spelling of 4561276500 in words is "four billion, five hundred sixty-one million, two hundred seventy-six thousand, five hundred".