109426028544 has 780 divisors, whose sum is σ = 390481876224. Its totient is φ = 30433148928.

The previous prime is 109426028533. The next prime is 109426028629. The reversal of 109426028544 is 445820624901.

It is a happy number.

109426028544 is a `hidden beast` number, since 1 + 0 + 9 + 42 + 60 + 2 + 8 + 544 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 109426028544.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 861622209 + ... + 861622335.

Almost surely, 2^109426028544 is an apocalyptic number.

109426028544 is a gapful number since it is divisible by the number (14) 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 109426028544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195240938112).

109426028544 is an abundant number, since it is smaller than the sum of its proper divisors (281055847680).

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

109426028544 is an equidigital number, since it uses as much as digits as its factorization.

109426028544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 109426028544 in words is "one hundred nine billion, four hundred twenty-six million, twenty-eight thousand, five hundred forty-four".