4045020000 has 240 divisors, whose sum is σ = 15165545472. Its totient is φ = 924480000.

The previous prime is 4045019947. The next prime is 4045020013. The reversal of 4045020000 is 205404.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 415185 + ... + 424815.

Almost surely, 2^4045020000 is an apocalyptic number.

4045020000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4045020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7582772736).

4045020000 is an abundant number, since it is smaller than the sum of its proper divisors (11120525472).

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

4045020000 is an equidigital number, since it uses as much as digits as its factorization.

4045020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9671 (or 9648 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 4045020000 is about 63600.4716963640. The cubic root of 4045020000 is about 1593.3342475714.

Adding to 4045020000 its reverse (205404), we get a palindrome (4045225404).

The spelling of 4045020000 in words is "four billion, forty-five million, twenty thousand".