4815990720 has 84 divisors (see below), whose sum is σ = 16565011320. Its totient is φ = 1284263424.

The previous prime is 4815990703. The next prime is 4815990727. The reversal of 4815990720 is 270995184.

It is a super-2 number, since 2×4815990720² = 46387533230252236800, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4815990727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 833230 + ... + 838989.

Almost surely, 2^4815990720 is an apocalyptic number.

4815990720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4815990720 is an abundant number, since it is smaller than the sum of its proper divisors (11749020600).

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

4815990720 is a wasteful number, since it uses less digits than its factorization.

4815990720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672242 (or 1672229 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 4815990720 is about 69397.3394302692. The cubic root of 4815990720 is about 1688.7364620309.

The spelling of 4815990720 in words is "four billion, eight hundred fifteen million, nine hundred ninety thousand, seven hundred twenty".