4815967920 has 40 divisors (see below), whose sum is σ = 14929501296. Its totient is φ = 1284258048.

The previous prime is 4815967903. The next prime is 4815967921. The reversal of 4815967920 is 297695184.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (4815967921) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10033027 + ... + 10033506.

Almost surely, 2^4815967920 is an apocalyptic number.

4815967920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4815967920 is an abundant number, since it is smaller than the sum of its proper divisors (10113533376).

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

4815967920 is a wasteful number, since it uses less digits than its factorization.

4815967920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20066549 (or 20066543 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The square root of 4815967920 is about 69397.1751586475. The cubic root of 4815967920 is about 1688.7337970720.

The spelling of 4815967920 in words is "four billion, eight hundred fifteen million, nine hundred sixty-seven thousand, nine hundred twenty".