1040242209 has 8 divisors (see below), whose sum is σ = 1434816960. Its totient is φ = 669581136.

The previous prime is 1040242207. The next prime is 1040242213. The reversal of 1040242209 is 9022420401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1040242209 - 2¹ = 1040242207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1040242207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5978317 + ... + 5978490.

It is an arithmetic number, because the mean of its divisors is an integer number (179352120).

Almost surely, 2^1040242209 is an apocalyptic number.

It is an amenable number.

1040242209 is a deficient number, since it is larger than the sum of its proper divisors (394574751).

1040242209 is a wasteful number, since it uses less digits than its factorization.

1040242209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11956839.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1040242209 is about 32252.7860657029. The cubic root of 1040242209 is about 1013.2380503837.

The spelling of 1040242209 in words is "one billion, forty million, two hundred forty-two thousand, two hundred nine".