1044380538190 has 32 divisors (see below), whose sum is σ = 2050844780160. Its totient is φ = 379763412000.

The previous prime is 1044380538181. The next prime is 1044380538191. The reversal of 1044380538190 is 918350834401.

It is a super-2 number, since 2×1044380538190² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1044380538190.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044380538191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4151421 + ... + 4395799.

It is an arithmetic number, because the mean of its divisors is an integer number (64088899380).

Almost surely, 2^{1044380538190} is an apocalyptic number.

1044380538190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1044380538190 is a deficient number, since it is larger than the sum of its proper divisors (1006464241970).

1044380538190 is a wasteful number, since it uses less digits than its factorization.

1044380538190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283248.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 1044380538190 in words is "one trillion, forty-four billion, three hundred eighty million, five hundred thirty-eight thousand, one hundred ninety".