61444434150 has 72 divisors (see below), whose sum is σ = 180088065144. Its totient is φ = 14895619200.

The previous prime is 61444434131. The next prime is 61444434173. The reversal of 61444434150 is 5143444416.

61444434150 is a `hidden beast` number, since 61 + 4 + 4 + 443 + 4 + 150 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6201559 + ... + 6211458.

It is an arithmetic number, because the mean of its divisors is an integer number (2501223127).

Almost surely, 2^61444434150 is an apocalyptic number.

61444434150 is an abundant number, since it is smaller than the sum of its proper divisors (118643630994).

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

61444434150 is a wasteful number, since it uses less digits than its factorization.

61444434150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12413046 (or 12413038 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 61444434150 its reverse (5143444416), we get a palindrome (66587878566).

It can be divided in two parts, 61444 and 434150, that added together give a palindrome (495594).

The spelling of 61444434150 in words is "sixty-one billion, four hundred forty-four million, four hundred thirty-four thousand, one hundred fifty".