4240401165 has 128 divisors (see below), whose sum is σ = 10121932800. Its totient is φ = 1626635520.

The previous prime is 4240401149. The next prime is 4240401181. The reversal of 4240401165 is 5611040424.

4240401165 is a `hidden beast` number, since 4 + 240 + 401 + 16 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (4240401149) and next prime (4240401181).

It is not a de Polignac number, because 4240401165 - 2⁴ = 4240401149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 119446 + ... + 150824.

It is an arithmetic number, because the mean of its divisors is an integer number (79077600).

Almost surely, 2^4240401165 is an apocalyptic number.

4240401165 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4240401165 is an abundant number, since it is smaller than the sum of its proper divisors (5881531635).

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

4240401165 is a wasteful number, since it uses less digits than its factorization.

4240401165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31424 (or 31418 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 4240401165 is about 65118.3627327960. The cubic root of 4240401165 is about 1618.5855108522.

Adding to 4240401165 its reverse (5611040424), we get a palindrome (9851441589).

The spelling of 4240401165 in words is "four billion, two hundred forty million, four hundred one thousand, one hundred sixty-five".