3665000790 has 128 divisors (see below), whose sum is σ = 10681113600. Its totient is φ = 886878720.

The previous prime is 3665000767. The next prime is 3665000819. The reversal of 3665000790 is 970005663.

It is a happy number.

3665000790 is a `hidden beast` number, since 3 + 66 + 500 + 0 + 7 + 90 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2996119 + ... + 2997341.

It is an arithmetic number, because the mean of its divisors is an integer number (83446200).

Almost surely, 2^3665000790 is an apocalyptic number.

3665000790 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3665000790 is the 30270-th decagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3665000790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5340556800).

3665000790 is an abundant number, since it is smaller than the sum of its proper divisors (7016112810).

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

3665000790 is a wasteful number, since it uses less digits than its factorization.

3665000790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259 (or 2253 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 3665000790 is about 60539.2499953543. The cubic root of 3665000790 is about 1541.7881054505.

The spelling of 3665000790 in words is "three billion, six hundred sixty-five million, seven hundred ninety", and thus it is an aban number.