4240166520 has 64 divisors (see below), whose sum is σ = 13468770720. Its totient is φ = 1064198144.

The previous prime is 4240166479. The next prime is 4240166533. The reversal of 4240166520 is 256610424.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 1037217 + ... + 1041296.

Almost surely, 2^4240166520 is an apocalyptic number.

4240166520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4240166520 is an abundant number, since it is smaller than the sum of its proper divisors (9228604200).

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

4240166520 is a wasteful number, since it uses less digits than its factorization.

4240166520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078544 (or 2078540 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 4240166520 is about 65116.5610271304. The cubic root of 4240166520 is about 1618.5556551862. Note that the first 3 decimals are identical.

Adding to 4240166520 its reverse (256610424), we get a palindrome (4496776944).

The spelling of 4240166520 in words is "four billion, two hundred forty million, one hundred sixty-six thousand, five hundred twenty".