43669480 has 16 divisors (see below), whose sum is σ = 98256420. Its totient is φ = 17467776.

The previous prime is 43669477. The next prime is 43669489. The reversal of 43669480 is 8496634.

It can be written as a sum of positive squares in 2 ways, for example, as 39012516 + 4656964 = 6246^2 + 2158^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 1091737 = 43669480 / (4 + 3 + 6 + 6 + 9 + 4 + 8 + 0).

It is not an unprimeable number, because it can be changed into a prime (43669489) 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, 545829 + ... + 545908.

Almost surely, 2^43669480 is an apocalyptic number.

43669480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43669480 is an abundant number, since it is smaller than the sum of its proper divisors (54586940).

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

43669480 is a wasteful number, since it uses less digits than its factorization.

43669480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091748 (or 1091744 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 43669480 is about 6608.2887346120. The cubic root of 43669480 is about 352.1486329949.

The spelling of 43669480 in words is "forty-three million, six hundred sixty-nine thousand, four hundred eighty".