4445212400 has 30 divisors (see below), whose sum is σ = 10679623752. Its totient is φ = 1778084800.

The previous prime is 4445212391. The next prime is 4445212427. The reversal of 4445212400 is 42125444.

It is a super-2 number, since 2×4445212400² = 39519826562227520000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4445212400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5556116 + ... + 5556915.

Almost surely, 2^4445212400 is an apocalyptic number.

4445212400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4445212400 is an abundant number, since it is smaller than the sum of its proper divisors (6234411352).

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

4445212400 is a wasteful number, since it uses less digits than its factorization.

4445212400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11113049 (or 11113038 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 4445212400 is about 66672.4260845516. The cubic root of 4445212400 is about 1644.2360744965.

Adding to 4445212400 its reverse (42125444), we get a palindrome (4487337844).

The spelling of 4445212400 in words is "four billion, four hundred forty-five million, two hundred twelve thousand, four hundred".