3021442400 has 72 divisors (see below), whose sum is σ = 7384308624. Its totient is φ = 1207232000.

The previous prime is 3021442393. The next prime is 3021442421. The reversal of 3021442400 is 42441203.

It is a super-2 number, since 2×3021442400² = 18258228353035520000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1039349 + ... + 1042251.

It is an arithmetic number, because the mean of its divisors is an integer number (102559842).

Almost surely, 2^3021442400 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 3021442400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3692154312).

3021442400 is an abundant number, since it is smaller than the sum of its proper divisors (4362866224).

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

3021442400 is a wasteful number, since it uses less digits than its factorization.

3021442400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224 (or 4211 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 3021442400 is about 54967.6486671933. The cubic root of 3021442400 is about 1445.6775596631.

Adding to 3021442400 its reverse (42441203), we get a palindrome (3063883603).

The spelling of 3021442400 in words is "three billion, twenty-one million, four hundred forty-two thousand, four hundred".