1040350949 has 4 divisors (see below), whose sum is σ = 1134928320. Its totient is φ = 945773580.

The previous prime is 1040350919. The next prime is 1040350951. The reversal of 1040350949 is 9490530401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1040350949 - 2⁸ = 1040350693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040350919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47288669 + ... + 47288690.

It is an arithmetic number, because the mean of its divisors is an integer number (283732080).

Almost surely, 2^1040350949 is an apocalyptic number.

It is an amenable number.

1040350949 is a deficient number, since it is larger than the sum of its proper divisors (94577371).

1040350949 is an equidigital number, since it uses as much as digits as its factorization.

1040350949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94577370.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 1040350949 is about 32254.4717674930. The cubic root of 1040350949 is about 1013.2733548752.

The spelling of 1040350949 in words is "one billion, forty million, three hundred fifty thousand, nine hundred forty-nine".