1047641440 has 24 divisors (see below), whose sum is σ = 2475053280. Its totient is φ = 419056512.

The previous prime is 1047641429. The next prime is 1047641447. The reversal of 1047641440 is 441467401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047641447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3273720 + ... + 3274039.

It is an arithmetic number, because the mean of its divisors is an integer number (103127220).

Almost surely, 2^1047641440 is an apocalyptic number.

1047641440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1047641440 is an abundant number, since it is smaller than the sum of its proper divisors (1427411840).

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

1047641440 is an equidigital number, since it uses as much as digits as its factorization.

1047641440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6547774 (or 6547766 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 1047641440 is about 32367.2896610143. The cubic root of 1047641440 is about 1015.6347603196.

The spelling of 1047641440 in words is "one billion, forty-seven million, six hundred forty-one thousand, four hundred forty".