103320440 has 16 divisors (see below), whose sum is σ = 232471080. Its totient is φ = 41328160.

The previous prime is 103320431. The next prime is 103320463. The reversal of 103320440 is 44023301.

It is a super-2 number, since 2×103320440² = 21350226643587200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1291466 + ... + 1291545.

Almost surely, 2^103320440 is an apocalyptic number.

103320440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103320440 is an abundant number, since it is smaller than the sum of its proper divisors (129150640).

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

103320440 is a wasteful number, since it uses less digits than its factorization.

103320440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583022 (or 2583018 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 103320440 is about 10164.6662512844. Note that the first 3 decimals coincide. The cubic root of 103320440 is about 469.2404208904.

Adding to 103320440 its reverse (44023301), we get a palindrome (147343741).

The spelling of 103320440 in words is "one hundred three million, three hundred twenty thousand, four hundred forty".