1499263985280 has 128 divisors (see below), whose sum is σ = 4808223385920. Its totient is φ = 397350862848.

The previous prime is 1499263985231. The next prime is 1499263985299. The reversal of 1499263985280 is 825893629941.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2082337 + ... + 2708256.

Almost surely, 2^{1499263985280} is an apocalyptic number.

1499263985280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1499263985280 is an abundant number, since it is smaller than the sum of its proper divisors (3308959400640).

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

1499263985280 is a wasteful number, since it uses less digits than its factorization.

1499263985280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4790778 (or 4790766 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 66.

The spelling of 1499263985280 in words is "one trillion, four hundred ninety-nine billion, two hundred sixty-three million, nine hundred eighty-five thousand, two hundred eighty".