648702425088 has 384 divisors, whose sum is σ = 1988672212800. Its totient is φ = 208797696000.

The previous prime is 648702425057. The next prime is 648702425093. The reversal of 648702425088 is 880524207846.

648702425088 is a `hidden beast` number, since 6 + 48 + 70 + 24 + 2 + 508 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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 31 ways as a sum of consecutive naturals, for example, 228979320 + ... + 228982152.

Almost surely, 2^648702425088 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 648702425088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (994336106400).

648702425088 is an abundant number, since it is smaller than the sum of its proper divisors (1339969787712).

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

648702425088 is a wasteful number, since it uses less digits than its factorization.

648702425088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3006 (or 2980 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 54.

The spelling of 648702425088 in words is "six hundred forty-eight billion, seven hundred two million, four hundred twenty-five thousand, eighty-eight".