3666435140 has 24 divisors (see below), whose sum is σ = 7702793280. Its totient is φ = 1465949408.

The previous prime is 3666435107. The next prime is 3666435163. The reversal of 3666435140 is 415346663.

It is a junction number, because it is equal to n+sod(n) for n = 3666435094 and 3666435103.

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, 10631 + ... + 86289.

It is an arithmetic number, because the mean of its divisors is an integer number (320949720).

Almost surely, 2^3666435140 is an apocalyptic number.

It is an amenable number.

3666435140 is an abundant number, since it is smaller than the sum of its proper divisors (4036358140).

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

3666435140 is a wasteful number, since it uses less digits than its factorization.

3666435140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78091 (or 78089 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

The square root of 3666435140 is about 60551.0952832399. The cubic root of 3666435140 is about 1541.9892127592.

The spelling of 3666435140 in words is "three billion, six hundred sixty-six million, four hundred thirty-five thousand, one hundred forty".