1040449504 has 48 divisors (see below), whose sum is σ = 2173633056. Its totient is φ = 488550400.

The previous prime is 1040449477. The next prime is 1040449523. The reversal of 1040449504 is 4059440401.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281589 + ... + 285259.

It is an arithmetic number, because the mean of its divisors is an integer number (45284022).

Almost surely, 2^1040449504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1040449504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1086816528).

1040449504 is an abundant number, since it is smaller than the sum of its proper divisors (1133183552).

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

1040449504 is a wasteful number, since it uses less digits than its factorization.

1040449504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4219 (or 4211 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1040449504 is about 32255.9995039683. Note that the first 3 decimals coincide. The cubic root of 1040449504 is about 1013.3053504892.

Adding to 1040449504 its reverse (4059440401), we get a palindrome (5099889905).

The spelling of 1040449504 in words is "one billion, forty million, four hundred forty-nine thousand, five hundred four".