651288895488 has 1008 divisors, whose sum is σ = 2480016075264. Its totient is φ = 168887255040.

The previous prime is 651288895457. The next prime is 651288895547. The reversal of 651288895488 is 884598882156.

651288895488 is a `hidden beast` number, since 6 + 51 + 2 + 8 + 8 + 8 + 95 + 488 = 666.

It is a tau number, because it is divible by the number of its divisors (1008).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1072963281 + ... + 1072963887.

It is an arithmetic number, because the mean of its divisors is an integer number (2460333408).

Almost surely, 2^651288895488 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 651288895488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1240008037632).

651288895488 is an abundant number, since it is smaller than the sum of its proper divisors (1828727179776).

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

651288895488 is an equidigital number, since it uses as much as digits as its factorization.

651288895488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 630 counting only the distinct ones).

The product of its digits is 353894400, while the sum is 72.

The spelling of 651288895488 in words is "six hundred fifty-one billion, two hundred eighty-eight million, eight hundred ninety-five thousand, four hundred eighty-eight".