1043504490 has 96 divisors (see below), whose sum is σ = 2922540480. Its totient is φ = 237758976.

The previous prime is 1043504471. The next prime is 1043504507. The reversal of 1043504490 is 944053401.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 556194 + ... + 558066.

It is an arithmetic number, because the mean of its divisors is an integer number (30443130).

Almost surely, 2^1043504490 is an apocalyptic number.

1043504490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1043504490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1461270240).

1043504490 is an abundant number, since it is smaller than the sum of its proper divisors (1879035990).

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

1043504490 is a wasteful number, since it uses less digits than its factorization.

1043504490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276 (or 2269 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1043504490 is about 32303.3201080013. The cubic root of 1043504490 is about 1014.2961430144.

Adding to 1043504490 its reverse (944053401), we get a palindrome (1987557891).

The spelling of 1043504490 in words is "one billion, forty-three million, five hundred four thousand, four hundred ninety".