1040450253 has 8 divisors (see below), whose sum is σ = 1389162528. Its totient is φ = 692685744.

The previous prime is 1040450251. The next prime is 1040450263. The reversal of 1040450253 is 3520540401.

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

It is not a de Polignac number, because 1040450253 - 2¹ = 1040450251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040450251) 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, 234375 + ... + 238772.

It is an arithmetic number, because the mean of its divisors is an integer number (173645316).

Almost surely, 2^1040450253 is an apocalyptic number.

It is an amenable number.

1040450253 is a deficient number, since it is larger than the sum of its proper divisors (348712275).

1040450253 is an equidigital number, since it uses as much as digits as its factorization.

1040450253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473883.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1040450253 is about 32256.0111142094. The cubic root of 1040450253 is about 1013.3055936423.

Adding to 1040450253 its reverse (3520540401), we get a palindrome (4560990654).

The spelling of 1040450253 in words is "one billion, forty million, four hundred fifty thousand, two hundred fifty-three".