1042305540 has 96 divisors (see below), whose sum is σ = 3006097920. Its totient is φ = 269646336.

The previous prime is 1042305499. The next prime is 1042305541. The reversal of 1042305540 is 455032401.

It is a self number, because there is not a number n which added to its sum of digits gives 1042305540.

It is not an unprimeable number, because it can be changed into a prime (1042305541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1449301 + ... + 1450019.

It is an arithmetic number, because the mean of its divisors is an integer number (31313520).

Almost surely, 2^1042305540 is an apocalyptic number.

1042305540 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 1042305540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1503048960).

1042305540 is an abundant number, since it is smaller than the sum of its proper divisors (1963792380).

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

1042305540 is a wasteful number, since it uses less digits than its factorization.

1042305540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421 (or 1419 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1042305540 is about 32284.7570844199. The cubic root of 1042305540 is about 1013.9075305972.

Adding to 1042305540 its reverse (455032401), we get a palindrome (1497337941).

The spelling of 1042305540 in words is "one billion, forty-two million, three hundred five thousand, five hundred forty".