3655140501620 has 12 divisors (see below), whose sum is σ = 7675795053444. Its totient is φ = 1462056200640.

The previous prime is 3655140501619. The next prime is 3655140501629. The reversal of 3655140501620 is 261050415563.

3655140501620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1464864819856 + 2190275681764 = 1210316^2 + 1479958^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3655140501629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91378512521 + ... + 91378512560.

It is an arithmetic number, because the mean of its divisors is an integer number (639649587787).

Almost surely, 2^{3655140501620} is an apocalyptic number.

It is an amenable number.

3655140501620 is an abundant number, since it is smaller than the sum of its proper divisors (4020654551824).

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

3655140501620 is a wasteful number, since it uses less digits than its factorization.

3655140501620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182757025090 (or 182757025088 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 3655140501620 in words is "three trillion, six hundred fifty-five billion, one hundred forty million, five hundred one thousand, six hundred twenty".