4004532500 has 30 divisors (see below), whose sum is σ = 8757117138. Its totient is φ = 1601812000.

The previous prime is 4004532487. The next prime is 4004532527. The reversal of 4004532500 is 52354004.

It can be written as a sum of positive squares in 5 ways, for example, as 897361936 + 3107170564 = 29956^2 + 55742^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 798407 + ... + 803406.

Almost surely, 2^4004532500 is an apocalyptic number.

It is an amenable number.

4004532500 is an abundant number, since it is smaller than the sum of its proper divisors (4752584638).

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

4004532500 is a wasteful number, since it uses less digits than its factorization.

4004532500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601837 (or 1601820 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 4004532500 is about 63281.3756171593. The cubic root of 4004532500 is about 1588.0004002520. Note that the first 3 decimals are identical.

Adding to 4004532500 its reverse (52354004), we get a palindrome (4056886504).

The spelling of 4004532500 in words is "four billion, four million, five hundred thirty-two thousand, five hundred".