1040254453 has 8 divisors (see below), whose sum is σ = 1205148608. Its totient is φ = 879431904.

The previous prime is 1040254403. The next prime is 1040254459. The reversal of 1040254453 is 3544520401.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040254453 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 (1040254459) 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, 1017351 + ... + 1018372.

It is an arithmetic number, because the mean of its divisors is an integer number (150643576).

Almost surely, 2^1040254453 is an apocalyptic number.

It is an amenable number.

1040254453 is a deficient number, since it is larger than the sum of its proper divisors (164894155).

1040254453 is an equidigital number, since it uses as much as digits as its factorization.

1040254453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035803.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1040254453 is about 32252.9758782039. The cubic root of 1040254453 is about 1013.2420257521.

Adding to 1040254453 its reverse (3544520401), we get a palindrome (4584774854).

The spelling of 1040254453 in words is "one billion, forty million, two hundred fifty-four thousand, four hundred fifty-three".