61240200 has 144 divisors (see below), whose sum is σ = 220945680. Its totient is φ = 13991040.

The previous prime is 61240187. The next prime is 61240219. The reversal of 61240200 is 204216.

61240200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 61240200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 28359 + ... + 30441.

It is an arithmetic number, because the mean of its divisors is an integer number (1534345).

Almost surely, 2^61240200 is an apocalyptic number.

61240200 is a gapful number since it is divisible by the number (60) 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 61240200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110472840).

61240200 is an abundant number, since it is smaller than the sum of its proper divisors (159705480).

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

61240200 is a wasteful number, since it uses less digits than its factorization.

61240200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116 (or 2100 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 61240200 is about 7825.6117971696. The cubic root of 61240200 is about 394.1657337402.

Adding to 61240200 its reverse (204216), we get a palindrome (61444416).

The spelling of 61240200 in words is "sixty-one million, two hundred forty thousand, two hundred".