651848279040 has 2112 divisors, whose sum is σ = 2903724195840. Its totient is φ = 131861053440.

The previous prime is 651848279011. The next prime is 651848279051. The reversal of 651848279040 is 40972848156.

It is a happy number.

651848279040 is a `hidden beast` number, since 6 + 51 + 8 + 482 + 79 + 0 + 40 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 8929428444 + ... + 8929428516.

Almost surely, 2^651848279040 is an apocalyptic number.

651848279040 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 651848279040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1451862097920).

651848279040 is an abundant number, since it is smaller than the sum of its proper divisors (2251875916800).

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

651848279040 is a wasteful number, since it uses less digits than its factorization.

651848279040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 651848279040 in words is "six hundred fifty-one billion, eight hundred forty-eight million, two hundred seventy-nine thousand, forty".