3665462320240 has 80 divisors (see below), whose sum is σ = 9793467552960. Its totient is φ = 1249786644480.

The previous prime is 3665462320231. The next prime is 3665462320243. The reversal of 3665462320240 is 420232645663.

3665462320240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×3665462320240² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665462320243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17980045 + ... + 18182764.

It is an arithmetic number, because the mean of its divisors is an integer number (122418344412).

Almost surely, 2^{3665462320240} is an apocalyptic number.

It is an amenable number.

3665462320240 is an abundant number, since it is smaller than the sum of its proper divisors (6128005232720).

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

3665462320240 is a wasteful number, since it uses less digits than its factorization.

3665462320240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36163010 (or 36163004 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 43.

The spelling of 3665462320240 in words is "three trillion, six hundred sixty-five billion, four hundred sixty-two million, three hundred twenty thousand, two hundred forty".