1072504040 has 16 divisors (see below), whose sum is σ = 2413134180. Its totient is φ = 429001600.

The previous prime is 1072504021. The next prime is 1072504073. The reversal of 1072504040 is 404052701.

It can be written as a sum of positive squares in 2 ways, for example, as 1032079876 + 40424164 = 32126^2 + 6358^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1072503997 and 1072504015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13406261 + ... + 13406340.

Almost surely, 2^1072504040 is an apocalyptic number.

1072504040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1072504040 is an abundant number, since it is smaller than the sum of its proper divisors (1340630140).

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

1072504040 is a wasteful number, since it uses less digits than its factorization.

1072504040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26812612 (or 26812608 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 1072504040 is about 32749.1074687540. The cubic root of 1072504040 is about 1023.6063677679.

Adding to 1072504040 its reverse (404052701), we get a palindrome (1476556741).

The spelling of 1072504040 in words is "one billion, seventy-two million, five hundred four thousand, forty".