1042515240 has 128 divisors (see below), whose sum is σ = 3399580800. Its totient is φ = 254223360.

The previous prime is 1042515217. The next prime is 1042515281. The reversal of 1042515240 is 425152401.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1042515240.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 166975 + ... + 173105.

It is an arithmetic number, because the mean of its divisors is an integer number (26559225).

Almost surely, 2^1042515240 is an apocalyptic number.

1042515240 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 1042515240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1699790400).

1042515240 is an abundant number, since it is smaller than the sum of its proper divisors (2357065560).

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

1042515240 is a wasteful number, since it uses less digits than its factorization.

1042515240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6267 (or 6263 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1042515240 is about 32288.0045837460. The cubic root of 1042515240 is about 1013.9755215858.

Adding to 1042515240 its reverse (425152401), we get a palindrome (1467667641).

The spelling of 1042515240 in words is "one billion, forty-two million, five hundred fifteen thousand, two hundred forty".