10927556640 has 1728 divisors, whose sum is σ = 55164654720. Its totient is φ = 1985679360.

The previous prime is 10927556639. The next prime is 10927556641. The reversal of 10927556640 is 4665572901.

10927556640 is a `hidden beast` number, since 1 + 0 + 92 + 7 + 556 + 6 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (10927556639) and next prime (10927556641).

It is a super-2 number, since 2×10927556640² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10927556641) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 575134551 + ... + 575134569.

It is an arithmetic number, because the mean of its divisors is an integer number (31923990).

Almost surely, 2^10927556640 is an apocalyptic number.

10927556640 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 10927556640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27582327360).

10927556640 is an abundant number, since it is smaller than the sum of its proper divisors (44237098080).

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

10927556640 is a wasteful number, since it uses less digits than its factorization.

10927556640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 10927556640 in words is "ten billion, nine hundred twenty-seven million, five hundred fifty-six thousand, six hundred forty".