1005001142444 has 48 divisors (see below), whose sum is σ = 1899233884800. Its totient is φ = 462576635136.

The previous prime is 1005001142441. The next prime is 1005001142489. The reversal of 1005001142444 is 4442411005001.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (1005001142441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28284962 + ... + 28320470.

It is an arithmetic number, because the mean of its divisors is an integer number (39567372600).

Almost surely, 2^{1005001142444} is an apocalyptic number.

It is an amenable number.

1005001142444 is a deficient number, since it is larger than the sum of its proper divisors (894232742356).

1005001142444 is a wasteful number, since it uses less digits than its factorization.

1005001142444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37002 (or 37000 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 1005001142444 its reverse (4442411005001), we get a palindrome (5447412147445).

The spelling of 1005001142444 in words is "one trillion, five billion, one million, one hundred forty-two thousand, four hundred forty-four".