4815911940 has 48 divisors (see below), whose sum is σ = 15410919552. Its totient is φ = 1100779776.

The previous prime is 4815911927. The next prime is 4815911959. The reversal of 4815911940 is 491195184.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 4815911892 and 4815911901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5732809 + ... + 5733648.

It is an arithmetic number, because the mean of its divisors is an integer number (321060824).

Almost surely, 2^4815911940 is an apocalyptic number.

It is an amenable number.

4815911940 is an abundant number, since it is smaller than the sum of its proper divisors (10595007612).

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

4815911940 is a wasteful number, since it uses less digits than its factorization.

4815911940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11466476 (or 11466474 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 4815911940 is about 69396.7718269373. The cubic root of 4815911940 is about 1688.7272538609.

The spelling of 4815911940 in words is "four billion, eight hundred fifteen million, nine hundred eleven thousand, nine hundred forty".