3655020630 has 32 divisors (see below), whose sum is σ = 8841129984. Its totient is φ = 966996576.

The previous prime is 3655020613. The next prime is 3655020637. The reversal of 3655020630 is 360205563.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3655020637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475852 + ... + 483471.

It is an arithmetic number, because the mean of its divisors is an integer number (276285312).

Almost surely, 2^3655020630 is an apocalyptic number.

3655020630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3655020630 is an abundant number, since it is smaller than the sum of its proper divisors (5186109354).

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

3655020630 is a wasteful number, since it uses less digits than its factorization.

3655020630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959460.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 3655020630 is about 60456.7666187996. The cubic root of 3655020630 is about 1540.3873526659.

The spelling of 3655020630 in words is "three billion, six hundred fifty-five million, twenty thousand, six hundred thirty".