105254440 has 32 divisors (see below), whose sum is σ = 247121280. Its totient is φ = 40270912.

The previous prime is 105254437. The next prime is 105254459. The reversal of 105254440 is 44452501.

It is a happy number.

It is a super-2 number, since 2×105254440² = 22156994279427200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56284 + ... + 58123.

It is an arithmetic number, because the mean of its divisors is an integer number (7722540).

Almost surely, 2^105254440 is an apocalyptic number.

105254440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105254440 is an abundant number, since it is smaller than the sum of its proper divisors (141866840).

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

105254440 is a wasteful number, since it uses less digits than its factorization.

105254440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114441 (or 114437 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 105254440 is about 10259.3586544189. The cubic root of 105254440 is about 472.1501604969.

The spelling of 105254440 in words is "one hundred five million, two hundred fifty-four thousand, four hundred forty".