43388480 has 28 divisors (see below), whose sum is σ = 103319580. Its totient is φ = 17355264.

The previous prime is 43388461. The next prime is 43388483. The reversal of 43388480 is 8488334.

It can be written as a sum of positive squares in 2 ways, for example, as 31719424 + 11669056 = 5632^2 + 3416^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (43388483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67475 + ... + 68114.

It is an arithmetic number, because the mean of its divisors is an integer number (3689985).

Almost surely, 2^43388480 is an apocalyptic number.

43388480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43388480 is an abundant number, since it is smaller than the sum of its proper divisors (59931100).

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

43388480 is a wasteful number, since it uses less digits than its factorization.

43388480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135606 (or 135596 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 43388480 is about 6586.9932442656. The cubic root of 43388480 is about 351.3916834899.

The spelling of 43388480 in words is "forty-three million, three hundred eighty-eight thousand, four hundred eighty".