61328242950 has 96 divisors (see below), whose sum is σ = 163941652896. Its totient is φ = 15082536960.

The previous prime is 61328242933. The next prime is 61328242957. The reversal of 61328242950 is 5924282316.

61328242950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61328242950² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61328242957) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2234712 + ... + 2261988.

It is an arithmetic number, because the mean of its divisors is an integer number (1707725551).

Almost surely, 2^61328242950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61328242950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81970826448).

61328242950 is an abundant number, since it is smaller than the sum of its proper divisors (102613409946).

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

61328242950 is a wasteful number, since it uses less digits than its factorization.

61328242950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28458 (or 28453 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 61328242950 in words is "sixty-one billion, three hundred twenty-eight million, two hundred forty-two thousand, nine hundred fifty".