1042422540 has 48 divisors (see below), whose sum is σ = 2989980000. Its totient is φ = 271198720.

The previous prime is 1042422533. The next prime is 1042422547. The reversal of 1042422540 is 452242401.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1042422533) and next prime (1042422547).

It is a self number, because there is not a number n which added to its sum of digits gives 1042422540.

It is not an unprimeable number, because it can be changed into a prime (1042422547) 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 15 ways as a sum of consecutive naturals, for example, 209415 + ... + 214334.

It is an arithmetic number, because the mean of its divisors is an integer number (62291250).

Almost surely, 2^1042422540 is an apocalyptic number.

1042422540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042422540 is an abundant number, since it is smaller than the sum of its proper divisors (1947557460).

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

1042422540 is a wasteful number, since it uses less digits than its factorization.

1042422540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423802 (or 423800 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 1042422540 is about 32286.5690341975. The cubic root of 1042422540 is about 1013.9454666080.

Adding to 1042422540 its reverse (452242401), we get a palindrome (1494664941).

The spelling of 1042422540 in words is "one billion, forty-two million, four hundred twenty-two thousand, five hundred forty".