1025032040 has 32 divisors (see below), whose sum is σ = 2326742280. Its totient is φ = 406382592.

The previous prime is 1025032039. The next prime is 1025032049. The reversal of 1025032040 is 402305201.

It can be written as a sum of positive squares in 4 ways, for example, as 174609796 + 850422244 = 13214^2 + 29162^2 .

It is not an unprimeable number, because it can be changed into a prime (1025032049) 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, 108869 + ... + 117908.

Almost surely, 2^1025032040 is an apocalyptic number.

1025032040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025032040 is an abundant number, since it is smaller than the sum of its proper divisors (1301710240).

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

1025032040 is a wasteful number, since it uses less digits than its factorization.

1025032040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226901 (or 226897 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1025032040 is about 32016.1215639871. The cubic root of 1025032040 is about 1008.2753431274.

Adding to 1025032040 its reverse (402305201), we get a palindrome (1427337241).

The spelling of 1025032040 in words is "one billion, twenty-five million, thirty-two thousand, forty".