108433440 has 144 divisors (see below), whose sum is σ = 372736728. Its totient is φ = 28704768.

The previous prime is 108433411. The next prime is 108433469. The reversal of 108433440 is 44334801.

It is an interprime number because it is at equal distance from previous prime (108433411) and next prime (108433469).

It can be written as a sum of positive squares in 4 ways, for example, as 106254864 + 2178576 = 10308^2 + 1476^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 369934 + ... + 370226.

Almost surely, 2^108433440 is an apocalyptic number.

108433440 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 108433440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186368364).

108433440 is an abundant number, since it is smaller than the sum of its proper divisors (264303288).

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

108433440 is a wasteful number, since it uses less digits than its factorization.

108433440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 108433440 is about 10413.1378556130. The cubic root of 108433440 is about 476.8565421738.

The spelling of 108433440 in words is "one hundred eight million, four hundred thirty-three thousand, four hundred forty".