1040511040 has 56 divisors (see below), whose sum is σ = 2544711192. Its totient is φ = 404951040.

The previous prime is 1040511019. The next prime is 1040511067. The reversal of 1040511040 is 401150401.

It can be written as a sum of positive squares in 4 ways, for example, as 382280704 + 658230336 = 19552^2 + 25656^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32101 + ... + 55780.

Almost surely, 2^1040511040 is an apocalyptic number.

1040511040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040511040 is an abundant number, since it is smaller than the sum of its proper divisors (1504200152).

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

1040511040 is an equidigital number, since it uses as much as digits as its factorization.

1040511040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87935 (or 87925 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1040511040 is about 32256.9533589271. The cubic root of 1040511040 is about 1013.3253269604.

Adding to 1040511040 its reverse (401150401), we get a palindrome (1441661441).

The spelling of 1040511040 in words is "one billion, forty million, five hundred eleven thousand, forty".