64949035230720 has 800 divisors, whose sum is σ = 252968416940448. Its totient is φ = 15860336689152.

The previous prime is 64949035230697. The next prime is 64949035230749. The reversal of 64949035230720 is 2703253094946.

64949035230720 is a `hidden beast` number, since 6 + 4 + 9 + 4 + 90 + 3 + 523 + 0 + 7 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 130180459 + ... + 130678421.

Almost surely, 2^{64949035230720} is an apocalyptic number.

64949035230720 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 64949035230720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126484208470224).

64949035230720 is an abundant number, since it is smaller than the sum of its proper divisors (188019381709728).

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

64949035230720 is a wasteful number, since it uses less digits than its factorization.

64949035230720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498052 (or 498027 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 54.

The spelling of 64949035230720 in words is "sixty-four trillion, nine hundred forty-nine billion, thirty-five million, two hundred thirty thousand, seven hundred twenty".