3665745340 has 24 divisors (see below), whose sum is σ = 7699823712. Its totient is φ = 1465963200.

The previous prime is 3665745329. The next prime is 3665745367. The reversal of 3665745340 is 435475663.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80890 + ... + 117790.

It is an arithmetic number, because the mean of its divisors is an integer number (320825988).

Almost surely, 2^3665745340 is an apocalyptic number.

It is an amenable number.

3665745340 is an abundant number, since it is smaller than the sum of its proper divisors (4034078372).

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

3665745340 is a wasteful number, since it uses less digits than its factorization.

3665745340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41877 (or 41875 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 43.

The square root of 3665745340 is about 60545.3989994285. The cubic root of 3665745340 is about 1541.8925038462.

The spelling of 3665745340 in words is "three billion, six hundred sixty-five million, seven hundred forty-five thousand, three hundred forty".