1493450880 has 64 divisors (see below), whose sum is σ = 4760380800. Its totient is φ = 398253056.

The previous prime is 1493450873. The next prime is 1493450887. The reversal of 1493450880 is 880543941.

It is an interprime number because it is at equal distance from previous prime (1493450873) and next prime (1493450887).

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (1493450887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387000 + ... + 390839.

It is an arithmetic number, because the mean of its divisors is an integer number (74380950).

Almost surely, 2^1493450880 is an apocalyptic number.

1493450880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1493450880 is an abundant number, since it is smaller than the sum of its proper divisors (3266929920).

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

1493450880 is an equidigital number, since it uses as much as digits as its factorization.

1493450880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777861 (or 777849 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 1493450880 is about 38645.1921977366. The cubic root of 1493450880 is about 1143.0458407470.

The spelling of 1493450880 in words is "one billion, four hundred ninety-three million, four hundred fifty thousand, eight hundred eighty".