444106990530 has 72 divisors (see below), whose sum is σ = 1343197074492. Its totient is φ = 101510168256.

The previous prime is 444106990511. The next prime is 444106990559. The reversal of 444106990530 is 35099601444.

444106990530 is a `hidden beast` number, since 4 + 4 + 4 + 106 + 9 + 9 + 0 + 530 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 441955051209 + 2151939321 = 664797^2 + 46389^2 .

It is a super-2 number, since 2×444106990530² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 50347857 + ... + 50356676.

Almost surely, 2^444106990530 is an apocalyptic number.

444106990530 is an abundant number, since it is smaller than the sum of its proper divisors (899090083962).

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

444106990530 is a wasteful number, since it uses less digits than its factorization.

444106990530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100704560 (or 100704550 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 444106990530 in words is "four hundred forty-four billion, one hundred six million, nine hundred ninety thousand, five hundred thirty".