10650260640 has 384 divisors, whose sum is σ = 36787322880. Its totient is φ = 2579447808.

The previous prime is 10650260633. The next prime is 10650260713. The reversal of 10650260640 is 4606205601.

It is a super-2 number, since 2×10650260640² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 10650260598 and 10650260607.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44561641 + ... + 44561879.

It is an arithmetic number, because the mean of its divisors is an integer number (95800320).

Almost surely, 2^10650260640 is an apocalyptic number.

10650260640 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 10650260640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18393661440).

10650260640 is an abundant number, since it is smaller than the sum of its proper divisors (26137062240).

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

10650260640 is a wasteful number, since it uses less digits than its factorization.

10650260640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 10650260640 in words is "ten billion, six hundred fifty million, two hundred sixty thousand, six hundred forty".