1045490240 has 28 divisors (see below), whose sum is σ = 2489574396. Its totient is φ = 418195968.

The previous prime is 1045490239. The next prime is 1045490263. The reversal of 1045490240 is 420945401.

It can be written as a sum of positive squares in 2 ways, for example, as 425679424 + 619810816 = 20632^2 + 24896^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1633259 + ... + 1633898.

Almost surely, 2^1045490240 is an apocalyptic number.

1045490240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045490240 is an abundant number, since it is smaller than the sum of its proper divisors (1444084156).

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

1045490240 is an equidigital number, since it uses as much as digits as its factorization.

1045490240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3267174 (or 3267164 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1045490240 is about 32334.0415042722. The cubic root of 1045490240 is about 1014.9391245330.

The spelling of 1045490240 in words is "one billion, forty-five million, four hundred ninety thousand, two hundred forty".