103401440 has 24 divisors (see below), whose sum is σ = 244286280. Its totient is φ = 41360512.

The previous prime is 103401437. The next prime is 103401469. The reversal of 103401440 is 44104301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322970 + ... + 323289.

It is an arithmetic number, because the mean of its divisors is an integer number (10178595).

Almost surely, 2^103401440 is an apocalyptic number.

103401440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103401440 is an abundant number, since it is smaller than the sum of its proper divisors (140884840).

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

103401440 is an equidigital number, since it uses as much as digits as its factorization.

103401440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646274 (or 646266 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 103401440 is about 10168.6498612156. The cubic root of 103401440 is about 469.3630121412.

Adding to 103401440 its reverse (44104301), we get a palindrome (147505741).

The spelling of 103401440 in words is "one hundred three million, four hundred one thousand, four hundred forty".