4040032500 has 360 divisors, whose sum is σ = 14778219456. Its totient is φ = 911232000.

The previous prime is 4040032481. The next prime is 4040032511. The reversal of 4040032500 is 52300404.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 17797387 + ... + 17797613.

Almost surely, 2^4040032500 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 4040032500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7389109728).

4040032500 is an abundant number, since it is smaller than the sum of its proper divisors (10738186956).

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

4040032500 is a wasteful number, since it uses less digits than its factorization.

4040032500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 4040032500 is about 63561.2499877087. The cubic root of 4040032500 is about 1592.6791191329.

Adding to 4040032500 its reverse (52300404), we get a palindrome (4092332904).

It can be divided in two parts, 40400 and 32500, that added together give a square (72900 = 270²).

The spelling of 4040032500 in words is "four billion, forty million, thirty-two thousand, five hundred".