40244550 has 24 divisors (see below), whose sum is σ = 99806856. Its totient is φ = 10731840.

The previous prime is 40244521. The next prime is 40244551. The reversal of 40244550 is 5544204.

It is a super-4 number, since 4×40244550⁴ (a number of 32 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40244550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40244551) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 133999 + ... + 134298.

It is an arithmetic number, because the mean of its divisors is an integer number (4158619).

Almost surely, 2^40244550 is an apocalyptic number.

40244550 is an abundant number, since it is smaller than the sum of its proper divisors (59562306).

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

40244550 is a wasteful number, since it uses less digits than its factorization.

40244550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268312 (or 268307 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 40244550 is about 6343.8592355127. The cubic root of 40244550 is about 342.6907314946.

Adding to 40244550 its reverse (5544204), we get a palindrome (45788754).

The spelling of 40244550 in words is "forty million, two hundred forty-four thousand, five hundred fifty".