65055744000 has 896 divisors, whose sum is σ = 260481836160. Its totient is φ = 15925248000.

The previous prime is 65055743989. The next prime is 65055744029. The reversal of 65055744000 is 44755056.

It is a happy number.

65055744000 is a `hidden beast` number, since 65 + 0 + 557 + 4 + 40 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 65055744000 = 1880³ + 3880³ = 2640³ + 3600³.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 359423910 + ... + 359424090.

It is an arithmetic number, because the mean of its divisors is an integer number (290716335).

Almost surely, 2^65055744000 is an apocalyptic number.

65055744000 is a gapful number since it is divisible by the number (60) 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 65055744000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130240918080).

65055744000 is an abundant number, since it is smaller than the sum of its proper divisors (195426092160).

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

65055744000 is a wasteful number, since it uses less digits than its factorization.

65055744000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The spelling of 65055744000 in words is "sixty-five billion, fifty-five million, seven hundred forty-four thousand".