1040334040 has 32 divisors (see below), whose sum is σ = 2478444480. Its totient is φ = 391654912.

The previous prime is 1040334013. The next prime is 1040334059. The reversal of 1040334040 is 404330401.

1040334040 = 8321² + 8322² + ... + 8335².

It is a junction number, because it is equal to n+sod(n) for n = 1040333999 and 1040334017.

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, 764272 + ... + 765631.

It is an arithmetic number, because the mean of its divisors is an integer number (77451390).

Almost surely, 2^1040334040 is an apocalyptic number.

1040334040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040334040 is an abundant number, since it is smaller than the sum of its proper divisors (1438110440).

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

1040334040 is a wasteful number, since it uses less digits than its factorization.

1040334040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529931 (or 1529927 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1040334040 is about 32254.2096477344. The cubic root of 1040334040 is about 1013.2678652110.

Adding to 1040334040 its reverse (404330401), we get a palindrome (1444664441).

The spelling of 1040334040 in words is "one billion, forty million, three hundred thirty-four thousand, forty".