3665255790 has 32 divisors (see below), whose sum is σ = 10053273600. Its totient is φ = 837772704.

The previous prime is 3665255753. The next prime is 3665255807. The reversal of 3665255790 is 975525663.

It is a super-2 number, since 2×3665255790² = 26868200012257048200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8726590 + ... + 8727009.

It is an arithmetic number, because the mean of its divisors is an integer number (314164800).

Almost surely, 2^3665255790 is an apocalyptic number.

3665255790 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3665255790 is an abundant number, since it is smaller than the sum of its proper divisors (6388017810).

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

3665255790 is a wasteful number, since it uses less digits than its factorization.

3665255790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17453616.

The product of its (nonzero) digits is 1701000, while the sum is 48.

The square root of 3665255790 is about 60541.3560304029. The cubic root of 3665255790 is about 1541.8238623186.

The spelling of 3665255790 in words is "three billion, six hundred sixty-five million, two hundred fifty-five thousand, seven hundred ninety".