3655140501644 has 24 divisors (see below), whose sum is σ = 6776039906160. Its totient is φ = 1720354424256.

The previous prime is 3655140501643. The next prime is 3655140501659. The reversal of 3655140501644 is 4461050415563.

It is a junction number, because it is equal to n+sod(n) for n = 3655140501595 and 3655140501604.

It is not an unprimeable number, because it can be changed into a prime (3655140501643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153153527 + ... + 153177390.

It is an arithmetic number, because the mean of its divisors is an integer number (282334996090).

Almost surely, 2^{3655140501644} is an apocalyptic number.

It is an amenable number.

3655140501644 is a deficient number, since it is larger than the sum of its proper divisors (3120899404516).

3655140501644 is a wasteful number, since it uses less digits than its factorization.

3655140501644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306331097 (or 306331095 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 3655140501644 in words is "three trillion, six hundred fifty-five billion, one hundred forty million, five hundred one thousand, six hundred forty-four".