106550440 has 16 divisors (see below), whose sum is σ = 239738580. Its totient is φ = 42620160.

The previous prime is 106550413. The next prime is 106550449. The reversal of 106550440 is 44055601.

It can be written as a sum of positive squares in 2 ways, for example, as 98128836 + 8421604 = 9906^2 + 2902^2 .

It is a super-2 number, since 2×106550440² = 22705992528387200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106550449) by changing a digit.

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, 1331841 + ... + 1331920.

Almost surely, 2^106550440 is an apocalyptic number.

106550440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106550440 is an abundant number, since it is smaller than the sum of its proper divisors (133188140).

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

106550440 is a wasteful number, since it uses less digits than its factorization.

106550440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663772 (or 2663768 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 106550440 is about 10322.3272569707. The cubic root of 106550440 is about 474.0801255587.

The spelling of 106550440 in words is "one hundred six million, five hundred fifty thousand, four hundred forty".