3040021200 has 240 divisors, whose sum is σ = 10202775552. Its totient is φ = 772800000.

The previous prime is 3040021189. The next prime is 3040021247. The reversal of 3040021200 is 21200403.

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 (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2640625 + ... + 2641775.

Almost surely, 2^3040021200 is an apocalyptic number.

3040021200 is a gapful number since it is divisible by the number (30) 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 3040021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5101387776).

3040021200 is an abundant number, since it is smaller than the sum of its proper divisors (7162754352).

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

3040021200 is a wasteful number, since it uses less digits than its factorization.

3040021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274 (or 1263 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 3040021200 is about 55136.3872592320. The cubic root of 3040021200 is about 1448.6346561129.

Adding to 3040021200 its reverse (21200403), we get a palindrome (3061221603).

The spelling of 3040021200 in words is "three billion, forty million, twenty-one thousand, two hundred".