10555395840 has 432 divisors, whose sum is σ = 41141108736. Its totient is φ = 2475417600.

The previous prime is 10555395833. The next prime is 10555395841. The reversal of 10555395840 is 4859355501.

10555395840 is a `hidden beast` number, since 1 + 0 + 5 + 553 + 9 + 58 + 40 = 666.

It is a super-2 number, since 2×10555395840² (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 (10555395841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3926977 + ... + 3929663.

It is an arithmetic number, because the mean of its divisors is an integer number (95234048).

Almost surely, 2^10555395840 is an apocalyptic number.

10555395840 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 10555395840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20570554368).

10555395840 is an abundant number, since it is smaller than the sum of its proper divisors (30585712896).

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

10555395840 is a wasteful number, since it uses less digits than its factorization.

10555395840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756 (or 2739 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 45.

The spelling of 10555395840 in words is "ten billion, five hundred fifty-five million, three hundred ninety-five thousand, eight hundred forty".