1040311044 has 36 divisors (see below), whose sum is σ = 2661365616. Its totient is φ = 342591408.

The previous prime is 1040311043. The next prime is 1040311057. The reversal of 1040311044 is 4401130401.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1040311043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171094 + ... + 177069.

Almost surely, 2^1040311044 is an apocalyptic number.

It is an amenable number.

1040311044 is an abundant number, since it is smaller than the sum of its proper divisors (1621054572).

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

1040311044 is a wasteful number, since it uses less digits than its factorization.

1040311044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348256 (or 348251 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1040311044 is about 32253.8531651646. The cubic root of 1040311044 is about 1013.2603992502.

Adding to 1040311044 its reverse (4401130401), we get a palindrome (5441441445).

The spelling of 1040311044 in words is "one billion, forty million, three hundred eleven thousand, forty-four".