3655156944 has 80 divisors (see below), whose sum is σ = 10035429120. Its totient is φ = 1142415360.

The previous prime is 3655156937. The next prime is 3655156949. The reversal of 3655156944 is 4496515563.

3655156944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 3655156893 and 3655156902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3655156949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212872 + ... + 229400.

It is an arithmetic number, because the mean of its divisors is an integer number (125442864).

Almost surely, 2^3655156944 is an apocalyptic number.

3655156944 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3655156944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5017714560).

3655156944 is an abundant number, since it is smaller than the sum of its proper divisors (6380272176).

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

3655156944 is a wasteful number, since it uses less digits than its factorization.

3655156944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16828 (or 16822 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 48.

The square root of 3655156944 is about 60457.8939758904. The cubic root of 3655156944 is about 1540.4065020107.

The spelling of 3655156944 in words is "three billion, six hundred fifty-five million, one hundred fifty-six thousand, nine hundred forty-four".