109390842820 has 192 divisors, whose sum is σ = 298589760000. Its totient is φ = 33440698368.

The previous prime is 109390842797. The next prime is 109390842863. The reversal of 109390842820 is 28248093901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2191096 + ... + 2240464.

It is an arithmetic number, because the mean of its divisors is an integer number (1555155000).

Almost surely, 2^109390842820 is an apocalyptic number.

109390842820 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 109390842820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149294880000).

109390842820 is an abundant number, since it is smaller than the sum of its proper divisors (189198917180).

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

109390842820 is a wasteful number, since it uses less digits than its factorization.

109390842820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49435 (or 49419 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 109390842820 in words is "one hundred nine billion, three hundred ninety million, eight hundred forty-two thousand, eight hundred twenty".