1401100044 has 24 divisors (see below), whose sum is σ = 3291178800. Its totient is φ = 463898304.

The previous prime is 1401100037. The next prime is 1401100049. The reversal of 1401100044 is 4400011041.

It is a junction number, because it is equal to n+sod(n) for n = 1401099996 and 1401100032.

It is not an unprimeable number, because it can be changed into a prime (1401100049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390019 + ... + 393594.

It is an arithmetic number, because the mean of its divisors is an integer number (137132450).

Almost surely, 2^1401100044 is an apocalyptic number.

It is an amenable number.

1401100044 is an abundant number, since it is smaller than the sum of its proper divisors (1890078756).

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

1401100044 is a wasteful number, since it uses less digits than its factorization.

1401100044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783769 (or 783767 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1401100044 is about 37431.2709375463. The cubic root of 1401100044 is about 1118.9818670539.

Adding to 1401100044 its reverse (4400011041), we get a palindrome (5801111085).

The spelling of 1401100044 in words is "one billion, four hundred one million, one hundred thousand, forty-four".