61444300 has 36 divisors (see below), whose sum is σ = 134053920. Its totient is φ = 24445120.

The previous prime is 61444297. The next prime is 61444321. The reversal of 61444300 is 344416.

It is a happy 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, 18141 + ... + 21259.

It is an arithmetic number, because the mean of its divisors is an integer number (3723720).

Almost surely, 2^61444300 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 61444300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67026960).

61444300 is an abundant number, since it is smaller than the sum of its proper divisors (72609620).

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

61444300 is a wasteful number, since it uses less digits than its factorization.

61444300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3330 (or 3323 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 61444300 is about 7838.6414639273. The cubic root of 61444300 is about 394.6031371572.

Adding to 61444300 its reverse (344416), we get a palindrome (61788716).

The spelling of 61444300 in words is "sixty-one million, four hundred forty-four thousand, three hundred".