3656365493760 has 480 divisors, whose sum is σ = 14487819952320. Its totient is φ = 834828632064.

The previous prime is 3656365493743. The next prime is 3656365493761. The reversal of 3656365493760 is 673945636563.

It is a happy number.

3656365493760 is a `hidden beast` number, since 3 + 6 + 56 + 3 + 6 + 549 + 37 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3656365493761) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 153687946 + ... + 153711734.

It is an arithmetic number, because the mean of its divisors is an integer number (30182958234).

Almost surely, 2^{3656365493760} is an apocalyptic number.

3656365493760 is a gapful number since it is divisible by the number (30) 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 3656365493760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7243909976160).

3656365493760 is an abundant number, since it is smaller than the sum of its proper divisors (10831454458560).

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

3656365493760 is a wasteful number, since it uses less digits than its factorization.

3656365493760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24778 (or 24759 counting only the distinct ones).

The product of its (nonzero) digits is 220449600, while the sum is 63.

The spelling of 3656365493760 in words is "three trillion, six hundred fifty-six billion, three hundred sixty-five million, four hundred ninety-three thousand, seven hundred sixty".