1040253456 has 60 divisors (see below), whose sum is σ = 2953849136. Its totient is φ = 315226560.

The previous prime is 1040253451. The next prime is 1040253469. The reversal of 1040253456 is 6543520401.

It is not an unprimeable number, because it can be changed into a prime (1040253451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83746 + ... + 95361.

Almost surely, 2^1040253456 is an apocalyptic number.

1040253456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1040253456 is an abundant number, since it is smaller than the sum of its proper divisors (1913595680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1040253456 is a wasteful number, since it uses less digits than its factorization.

1040253456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179140 (or 179123 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1040253456 is about 32252.9604222620. The cubic root of 1040253456 is about 1013.2417020484.

Adding to 1040253456 its reverse (6543520401), we get a palindrome (7583773857).

The spelling of 1040253456 in words is "one billion, forty million, two hundred fifty-three thousand, four hundred fifty-six".