1040453280 has 72 divisors (see below), whose sum is σ = 3550551732. Its totient is φ = 277453824.

The previous prime is 1040453173. The next prime is 1040453311. The reversal of 1040453280 is 823540401.

1040453280 is a `hidden beast` number, since 10 + 40 + 4 + 532 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 998307216 + 42146064 = 31596^2 + 6492^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 359829 + ... + 362708.

Almost surely, 2^1040453280 is an apocalyptic number.

1040453280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040453280 is an abundant number, since it is smaller than the sum of its proper divisors (2510098452).

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

1040453280 is a wasteful number, since it uses less digits than its factorization.

1040453280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722558 (or 722547 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1040453280 is about 32256.0580356621. The cubic root of 1040453280 is about 1013.3065763172.

Adding to 1040453280 its reverse (823540401), we get a palindrome (1863993681).

The spelling of 1040453280 in words is "one billion, forty million, four hundred fifty-three thousand, two hundred eighty".