1040645353 has 8 divisors (see below), whose sum is σ = 1142870400. Its totient is φ = 939690480.

The previous prime is 1040645339. The next prime is 1040645357. The reversal of 1040645353 is 3535460401.

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

It is a cyclic number.

It is not a de Polignac number, because 1040645353 - 2⁹ = 1040644841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040645357) 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, 315825 + ... + 319102.

It is an arithmetic number, because the mean of its divisors is an integer number (142858800).

Almost surely, 2^1040645353 is an apocalyptic number.

It is an amenable number.

1040645353 is a deficient number, since it is larger than the sum of its proper divisors (102225047).

1040645353 is a wasteful number, since it uses less digits than its factorization.

1040645353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635087.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 1040645353 is about 32259.0352149595. The cubic root of 1040645353 is about 1013.3689263405.

The spelling of 1040645353 in words is "one billion, forty million, six hundred forty-five thousand, three hundred fifty-three".