1512000000 has 560 divisors, whose sum is σ = 6393668160. Its totient is φ = 345600000.

The previous prime is 1511999989. The next prime is 1512000001. The reversal of 1512000000 is 2151.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (560).

It is a super-2 number, since 2×1512000000² = 4572288000000000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (1512000001) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 215999997 + ... + 216000003.

Almost surely, 2^1512000000 is an apocalyptic number.

1512000000 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 1512000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3196834080).

1512000000 is an abundant number, since it is smaller than the sum of its proper divisors (4881668160).

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

1512000000 is an frugal number, since it uses more digits than its factorization.

1512000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 1512000000 is about 38884.4441904472. Note that the first 3 decimals coincide. The cubic root of 1512000000 is about 1147.7587096634.

Adding to 1512000000 its reverse (2151), we get a palindrome (1512002151).

The spelling of 1512000000 in words is "one billion, five hundred twelve million", and thus it is an aban number.