1042834640 has 40 divisors (see below), whose sum is σ = 2490127080. Its totient is φ = 405858816.

The previous prime is 1042834613. The next prime is 1042834643. The reversal of 1042834640 is 464382401.

It can be written as a sum of positive squares in 4 ways, for example, as 445716544 + 597118096 = 21112^2 + 24436^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1042834597 and 1042834606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042834643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173195 + ... + 179114.

It is an arithmetic number, because the mean of its divisors is an integer number (62253177).

Almost surely, 2^1042834640 is an apocalyptic number.

1042834640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042834640 is an abundant number, since it is smaller than the sum of its proper divisors (1447292440).

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

1042834640 is a wasteful number, since it uses less digits than its factorization.

1042834640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352359 (or 352353 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 1042834640 is about 32292.9503142714. The cubic root of 1042834640 is about 1014.0790630658.

The spelling of 1042834640 in words is "one billion, forty-two million, eight hundred thirty-four thousand, six hundred forty".