10651202640 has 240 divisors, whose sum is σ = 38656275840. Its totient is φ = 2612689920.

The previous prime is 10651202633. The next prime is 10651202657. The reversal of 10651202640 is 4620215601.

10651202640 is a `hidden beast` number, since 1 + 0 + 6 + 5 + 12 + 0 + 2 + 640 = 666.

10651202640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×10651202640² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 2909131 + ... + 2912789.

It is an arithmetic number, because the mean of its divisors is an integer number (161067816).

Almost surely, 2^10651202640 is an apocalyptic number.

10651202640 is a gapful number since it is divisible by the number (10) 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 10651202640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19328137920).

10651202640 is an abundant number, since it is smaller than the sum of its proper divisors (28005073200).

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

10651202640 is a wasteful number, since it uses less digits than its factorization.

10651202640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4002 (or 3993 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 10651202640 in words is "ten billion, six hundred fifty-one million, two hundred two thousand, six hundred forty".