3650805120 has 64 divisors (see below), whose sum is σ = 11636947440. Its totient is φ = 973547520.

The previous prime is 3650805091. The next prime is 3650805139. The reversal of 3650805120 is 215080563.

3650805120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×3650805120³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 948811 + ... + 952650.

Almost surely, 2^3650805120 is an apocalyptic number.

3650805120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3650805120 is an abundant number, since it is smaller than the sum of its proper divisors (7986142320).

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

3650805120 is a wasteful number, since it uses less digits than its factorization.

3650805120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901483 (or 1901471 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 3650805120 is about 60421.8927210990. The cubic root of 3650805120 is about 1539.7949240610.

Adding to 3650805120 its reverse (215080563), we get a palindrome (3865885683).

The spelling of 3650805120 in words is "three billion, six hundred fifty million, eight hundred five thousand, one hundred twenty".