61361000244 has 144 divisors (see below), whose sum is σ = 161497784448. Its totient is φ = 19627916544.

The previous prime is 61361000203. The next prime is 61361000291. The reversal of 61361000244 is 44200016316.

61361000244 is a `hidden beast` number, since 6 + 1 + 3 + 610 + 0 + 0 + 2 + 44 = 666.

61361000244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37482994 + ... + 37484630.

It is an arithmetic number, because the mean of its divisors is an integer number (1121512392).

Almost surely, 2^61361000244 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 61361000244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80748892224).

61361000244 is an abundant number, since it is smaller than the sum of its proper divisors (100136784204).

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

61361000244 is a wasteful number, since it uses less digits than its factorization.

61361000244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054 (or 2049 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The spelling of 61361000244 in words is "sixty-one billion, three hundred sixty-one million, two hundred forty-four", and thus it is an aban number.