10555404678 has 240 divisors, whose sum is σ = 29824835040. Its totient is φ = 2765581056.

The previous prime is 10555404677. The next prime is 10555404683. The reversal of 10555404678 is 87640455501.

10555404678 is a `hidden beast` number, since 10 + 55 + 540 + 46 + 7 + 8 = 666.

10555404678 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10555404678² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10555404677) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 24043983 + ... + 24044421.

It is an arithmetic number, because the mean of its divisors is an integer number (124270146).

Almost surely, 2^10555404678 is an apocalyptic number.

10555404678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10555404678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14912417520).

10555404678 is an abundant number, since it is smaller than the sum of its proper divisors (19269430362).

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

10555404678 is a wasteful number, since it uses less digits than its factorization.

10555404678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The spelling of 10555404678 in words is "ten billion, five hundred fifty-five million, four hundred four thousand, six hundred seventy-eight".