1044412140 has 96 divisors (see below), whose sum is σ = 3089157120. Its totient is φ = 262918656.

The previous prime is 1044412139. The next prime is 1044412141. The reversal of 1044412140 is 412144401.

It is an interprime number because it is at equal distance from previous prime (1044412139) and next prime (1044412141).

It is not an unprimeable number, because it can be changed into a prime (1044412141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 355357 + ... + 358283.

It is an arithmetic number, because the mean of its divisors is an integer number (32178720).

Almost surely, 2^1044412140 is an apocalyptic number.

1044412140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1044412140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1544578560).

1044412140 is an abundant number, since it is smaller than the sum of its proper divisors (2044744980).

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

1044412140 is a wasteful number, since it uses less digits than its factorization.

1044412140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271 (or 3269 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1044412140 is about 32317.3659198890. The cubic root of 1044412140 is about 1014.5901392259.

Adding to 1044412140 its reverse (412144401), we get a palindrome (1456556541).

The spelling of 1044412140 in words is "one billion, forty-four million, four hundred twelve thousand, one hundred forty".