1499643360 has 144 divisors (see below), whose sum is σ = 5294147040. Its totient is φ = 386104320.

The previous prime is 1499643349. The next prime is 1499643371. The reversal of 1499643360 is 633469941.

It is an interprime number because it is at equal distance from previous prime (1499643349) and next prime (1499643371).

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23805 + ... + 59715.

It is an arithmetic number, because the mean of its divisors is an integer number (36764910).

Almost surely, 2^1499643360 is an apocalyptic number.

1499643360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1499643360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2647073520).

1499643360 is an abundant number, since it is smaller than the sum of its proper divisors (3794503680).

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

1499643360 is a wasteful number, since it uses less digits than its factorization.

1499643360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35961 (or 35950 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The square root of 1499643360 is about 38725.2289857659. The cubic root of 1499643360 is about 1144.6235129429.

The spelling of 1499643360 in words is "one billion, four hundred ninety-nine million, six hundred forty-three thousand, three hundred sixty".