4165105040 has 20 divisors (see below), whose sum is σ = 9683869404. Its totient is φ = 1666041984.

The previous prime is 4165105033. The next prime is 4165105051. The reversal of 4165105040 is 405015614.

It can be written as a sum of positive squares in 2 ways, for example, as 2662147216 + 1502957824 = 51596^2 + 38768^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26031827 + ... + 26031986.

Almost surely, 2^4165105040 is an apocalyptic number.

4165105040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4165105040 is an abundant number, since it is smaller than the sum of its proper divisors (5518764364).

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

4165105040 is a wasteful number, since it uses less digits than its factorization.

4165105040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52063826 (or 52063820 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 4165105040 is about 64537.6249950368. The cubic root of 4165105040 is about 1608.9479180267.

The spelling of 4165105040 in words is "four billion, one hundred sixty-five million, one hundred five thousand, forty".