1004505140 has 24 divisors (see below), whose sum is σ = 2110268160. Its totient is φ = 401648288.

The previous prime is 1004505137. The next prime is 1004505143. The reversal of 1004505140 is 415054001.

It is an interprime number because it is at equal distance from previous prime (1004505137) and next prime (1004505143).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004505143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54329 + ... + 70431.

It is an arithmetic number, because the mean of its divisors is an integer number (87927840).

Almost surely, 2^1004505140 is an apocalyptic number.

1004505140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004505140 is an abundant number, since it is smaller than the sum of its proper divisors (1105763020).

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

1004505140 is a wasteful number, since it uses less digits than its factorization.

1004505140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19231 (or 19229 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1004505140 is about 31693.9290716692. The cubic root of 1004505140 is about 1001.4994638178.

Adding to 1004505140 its reverse (415054001), we get a palindrome (1419559141).

The spelling of 1004505140 in words is "one billion, four million, five hundred five thousand, one hundred forty".