120447002444 has 6 divisors (see below), whose sum is σ = 210782254284. Its totient is φ = 60223501220.

The previous prime is 120447002441. The next prime is 120447002449. The reversal of 120447002444 is 444200744021.

It is a self number, because there is not a number n which added to its sum of digits gives 120447002444.

It is not an unprimeable number, because it can be changed into a prime (120447002441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15055875302 + ... + 15055875309.

It is an arithmetic number, because the mean of its divisors is an integer number (35130375714).

Almost surely, 2^120447002444 is an apocalyptic number.

It is an amenable number.

120447002444 is a deficient number, since it is larger than the sum of its proper divisors (90335251840).

120447002444 is a wasteful number, since it uses less digits than its factorization.

120447002444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30111750615 (or 30111750613 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 32.

Adding to 120447002444 its reverse (444200744021), we get a palindrome (564647746465).

The spelling of 120447002444 in words is "one hundred twenty billion, four hundred forty-seven million, two thousand, four hundred forty-four".