648498086496 has 480 divisors, whose sum is σ = 2078722578240. Its totient is φ = 198320099328.

The previous prime is 648498086491. The next prime is 648498086519. The reversal of 648498086496 is 694680894846.

648498086496 is a `hidden beast` number, since 6 + 48 + 4 + 98 + 0 + 8 + 6 + 496 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648498086491) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1497685896 + ... + 1497686328.

It is an arithmetic number, because the mean of its divisors is an integer number (4330672038).

Almost surely, 2^648498086496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 648498086496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1039361289120).

648498086496 is an abundant number, since it is smaller than the sum of its proper divisors (1430224491744).

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

648498086496 is a wasteful number, since it uses less digits than its factorization.

648498086496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 573308928, while the sum is 72.

The spelling of 648498086496 in words is "six hundred forty-eight billion, four hundred ninety-eight million, eighty-six thousand, four hundred ninety-six".