109391825400 has 384 divisors, whose sum is σ = 403226691840. Its totient is φ = 24182784000.

The previous prime is 109391825381. The next prime is 109391825441. The reversal of 109391825400 is 4528193901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7113720 + ... + 7129080.

It is an arithmetic number, because the mean of its divisors is an integer number (1050069510).

Almost surely, 2^109391825400 is an apocalyptic number.

109391825400 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 109391825400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201613345920).

109391825400 is an abundant number, since it is smaller than the sum of its proper divisors (293834866440).

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

109391825400 is a wasteful number, since it uses less digits than its factorization.

109391825400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15487 (or 15478 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 109391825400 in words is "one hundred nine billion, three hundred ninety-one million, eight hundred twenty-five thousand, four hundred".