40244120 has 32 divisors (see below), whose sum is σ = 103485600. Its totient is φ = 13797888.

The previous prime is 40244081. The next prime is 40244137. The reversal of 40244120 is 2144204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71585 + ... + 72144.

It is an arithmetic number, because the mean of its divisors is an integer number (3233925).

Almost surely, 2^40244120 is an apocalyptic number.

40244120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40244120 is an abundant number, since it is smaller than the sum of its proper divisors (63241480).

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

40244120 is a wasteful number, since it uses less digits than its factorization.

40244120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143747 (or 143743 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 40244120 is about 6343.8253443802. The cubic root of 40244120 is about 342.6895109770.

Adding to 40244120 its reverse (2144204), we get a palindrome (42388324).

The spelling of 40244120 in words is "forty million, two hundred forty-four thousand, one hundred twenty".