43440102 has 12 divisors (see below), whose sum is σ = 94120260. Its totient is φ = 14480028.

The previous prime is 43440091. The next prime is 43440119. The reversal of 43440102 is 20104434.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2413339 = 43440102 / (4 + 3 + 4 + 4 + 0 + 1 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1206652 + ... + 1206687.

It is an arithmetic number, because the mean of its divisors is an integer number (7843355).

Almost surely, 2^43440102 is an apocalyptic number.

43440102 is an abundant number, since it is smaller than the sum of its proper divisors (50680158).

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

43440102 is a wasteful number, since it uses less digits than its factorization.

43440102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413347 (or 2413344 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 43440102 is about 6590.9105592475. The cubic root of 43440102 is about 351.5309858448.

Adding to 43440102 its reverse (20104434), we get a palindrome (63544536).

The spelling of 43440102 in words is "forty-three million, four hundred forty thousand, one hundred two".