3660194454 has 48 divisors (see below), whose sum is σ = 8543149056. Its totient is φ = 1042381200.

The previous prime is 3660194393. The next prime is 3660194491. The reversal of 3660194454 is 4544910663.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71419 + ... + 111449.

It is an arithmetic number, because the mean of its divisors is an integer number (177982272).

Almost surely, 2^3660194454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3660194454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4271574528).

3660194454 is an abundant number, since it is smaller than the sum of its proper divisors (4882954602).

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

3660194454 is a wasteful number, since it uses less digits than its factorization.

3660194454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40361 (or 40354 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 3660194454 is about 60499.5409404071. The cubic root of 3660194454 is about 1541.1138360746.

The spelling of 3660194454 in words is "three billion, six hundred sixty million, one hundred ninety-four thousand, four hundred fifty-four".