108438540 has 144 divisors (see below), whose sum is σ = 360552192. Its totient is φ = 23853312.

The previous prime is 108438509. The next prime is 108438553. The reversal of 108438540 is 45834801.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 353067 + ... + 353373.

Almost surely, 2^108438540 is an apocalyptic number.

108438540 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 108438540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180276096).

108438540 is an abundant number, since it is smaller than the sum of its proper divisors (252113652).

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

108438540 is a wasteful number, since it uses less digits than its factorization.

108438540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 108438540 is about 10413.3827356916. The cubic root of 108438540 is about 476.8640181278.

The spelling of 108438540 in words is "one hundred eight million, four hundred thirty-eight thousand, five hundred forty".