1040020242 has 16 divisors (see below), whose sum is σ = 2080982880. Its totient is φ = 346516352.

The previous prime is 1040020213. The next prime is 1040020253. The reversal of 1040020242 is 2420200401.

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 7 ways as a sum of consecutive naturals, for example, 24492 + ... + 51767.

It is an arithmetic number, because the mean of its divisors is an integer number (130061430).

Almost surely, 2^1040020242 is an apocalyptic number.

1040020242 is an abundant number, since it is smaller than the sum of its proper divisors (1040962638).

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

1040020242 is a wasteful number, since it uses less digits than its factorization.

1040020242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78537.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 1040020242 is about 32249.3448305543. The cubic root of 1040020242 is about 1013.1659769739.

Adding to 1040020242 its reverse (2420200401), we get a palindrome (3460220643).

The spelling of 1040020242 in words is "one billion, forty million, twenty thousand, two hundred forty-two".