1512950868 has 288 divisors, whose sum is σ = 4740503040. Its totient is φ = 403004160.

The previous prime is 1512950837. The next prime is 1512950891. The reversal of 1512950868 is 8680592151.

It is a happy number.

1512950868 is a `hidden beast` number, since 1 + 512 + 9 + 50 + 86 + 8 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 32190421 + ... + 32190467.

It is an arithmetic number, because the mean of its divisors is an integer number (16460080).

Almost surely, 2^1512950868 is an apocalyptic number.

1512950868 is a gapful number since it is divisible by the number (18) 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 1512950868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2370251520).

1512950868 is an abundant number, since it is smaller than the sum of its proper divisors (3227552172).

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

1512950868 is a wasteful number, since it uses less digits than its factorization.

1512950868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 45.

The square root of 1512950868 is about 38896.6691118918. The cubic root of 1512950868 is about 1147.9992604414. Note that the first 3 decimals are identical.

The spelling of 1512950868 in words is "one billion, five hundred twelve million, nine hundred fifty thousand, eight hundred sixty-eight".