1040202642 has 16 divisors (see below), whose sum is σ = 2085899040. Its totient is φ = 345818592.

The previous prime is 1040202601. The next prime is 1040202659. The reversal of 1040202642 is 2462020401.

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 7 ways as a sum of consecutive naturals, for example, 226443 + ... + 230990.

It is an arithmetic number, because the mean of its divisors is an integer number (130368690).

Almost surely, 2^1040202642 is an apocalyptic number.

1040202642 is an abundant number, since it is smaller than the sum of its proper divisors (1045696398).

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

1040202642 is a wasteful number, since it uses less digits than its factorization.

1040202642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457817.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1040202642 is about 32252.1726710000. The cubic root of 1040202642 is about 1013.2252036005.

The spelling of 1040202642 in words is "one billion, forty million, two hundred two thousand, six hundred forty-two".