1043652340 has 48 divisors (see below), whose sum is σ = 2263766400. Its totient is φ = 403857792.

The previous prime is 1043652329. The next prime is 1043652353. The reversal of 1043652340 is 432563401.

It is a junction number, because it is equal to n+sod(n) for n = 1043652299 and 1043652308.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 128521 + ... + 136399.

It is an arithmetic number, because the mean of its divisors is an integer number (47161800).

Almost surely, 2^1043652340 is an apocalyptic number.

1043652340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1043652340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1131883200).

1043652340 is an abundant number, since it is smaller than the sum of its proper divisors (1220114060).

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

1043652340 is a wasteful number, since it uses less digits than its factorization.

1043652340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8104 (or 8102 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1043652340 is about 32305.6084914059. The cubic root of 1043652340 is about 1014.3440446140.

The spelling of 1043652340 in words is "one billion, forty-three million, six hundred fifty-two thousand, three hundred forty".