61444200 has 48 divisors (see below), whose sum is σ = 190478880. Its totient is φ = 16384960.

The previous prime is 61444189. The next prime is 61444211. The reversal of 61444200 is 244416.

It is an interprime number because it is at equal distance from previous prime (61444189) and next prime (61444211).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50604 + ... + 51803.

It is an arithmetic number, because the mean of its divisors is an integer number (3968310).

Almost surely, 2^61444200 is an apocalyptic number.

61444200 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61444200 is an abundant number, since it is smaller than the sum of its proper divisors (129034680).

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

61444200 is a wasteful number, since it uses less digits than its factorization.

61444200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102426 (or 102417 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 61444200 is about 7838.6350852684. The cubic root of 61444200 is about 394.6029230862.

Adding to 61444200 its reverse (244416), we get a palindrome (61688616).

The spelling of 61444200 in words is "sixty-one million, four hundred forty-four thousand, two hundred".