1042441040 has 20 divisors (see below), whose sum is σ = 2423675604. Its totient is φ = 416976384.

The previous prime is 1042441039. The next prime is 1042441051. The reversal of 1042441040 is 401442401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 104366656 + 938074384 = 10216^2 + 30628^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6515177 + ... + 6515336.

Almost surely, 2^1042441040 is an apocalyptic number.

1042441040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042441040 is an abundant number, since it is smaller than the sum of its proper divisors (1381234564).

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

1042441040 is a wasteful number, since it uses less digits than its factorization.

1042441040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13030526 (or 13030520 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1042441040 is about 32286.8555297663. The cubic root of 1042441040 is about 1013.9514647772.

Adding to 1042441040 its reverse (401442401), we get a palindrome (1443883441).

It can be divided in two parts, 10424410 and 40, that multiplied together give a square (416976400 = 20420²).

The spelling of 1042441040 in words is "one billion, forty-two million, four hundred forty-one thousand, forty".