40244080 has 40 divisors (see below), whose sum is σ = 93837744. Its totient is φ = 16051200.

The previous prime is 40244059. The next prime is 40244081. The reversal of 40244080 is 8044204.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40244081) 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 7 ways as a sum of consecutive naturals, for example, 45240 + ... + 46120.

Almost surely, 2^40244080 is an apocalyptic number.

40244080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40244080 is an abundant number, since it is smaller than the sum of its proper divisors (53593664).

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

40244080 is a wasteful number, since it uses less digits than its factorization.

40244080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465 (or 1459 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 40244080 is about 6343.8221917075. The cubic root of 40244080 is about 342.6893974400.

Adding to 40244080 its reverse (8044204), we get a palindrome (48288284).

The spelling of 40244080 in words is "forty million, two hundred forty-four thousand, eighty".