106432405920 has 576 divisors, whose sum is σ = 400921073280. Its totient is φ = 26571276288.

The previous prime is 106432405913. The next prime is 106432405921. The reversal of 106432405920 is 29504234601.

It is a happy number.

106432405920 is a `hidden beast` number, since 1 + 0 + 6 + 43 + 24 + 0 + 592 + 0 = 666.

It is a super-2 number, since 2×106432405920² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (106432405921) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 187051396 + ... + 187051964.

It is an arithmetic number, because the mean of its divisors is an integer number (696043530).

Almost surely, 2^106432405920 is an apocalyptic number.

106432405920 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 106432405920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200460536640).

106432405920 is an abundant number, since it is smaller than the sum of its proper divisors (294488667360).

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

106432405920 is a wasteful number, since it uses less digits than its factorization.

106432405920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899 (or 879 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 106432405920 in words is "one hundred six billion, four hundred thirty-two million, four hundred five thousand, nine hundred twenty".