103440204 has 36 divisors (see below), whose sum is σ = 298827984. Its totient is φ = 29554272.

The previous prime is 103440193. The next prime is 103440209. The reversal of 103440204 is 402044301.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (103440209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204987 + ... + 205490.

Almost surely, 2^103440204 is an apocalyptic number.

103440204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

103440204 is an abundant number, since it is smaller than the sum of its proper divisors (195387780).

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

103440204 is a wasteful number, since it uses less digits than its factorization.

103440204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410494 (or 410489 counting only the distinct ones).

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

The square root of 103440204 is about 10170.5557370283. Note that the first 3 decimals coincide. The cubic root of 103440204 is about 469.4216577289.

Adding to 103440204 its reverse (402044301), we get a palindrome (505484505).

The spelling of 103440204 in words is "one hundred three million, four hundred forty thousand, two hundred four".