40944980 has 12 divisors (see below), whose sum is σ = 85984500. Its totient is φ = 16377984.

The previous prime is 40944949. The next prime is 40945001. The reversal of 40944980 is 8944904.

It can be written as a sum of positive squares in 2 ways, for example, as 26091664 + 14853316 = 5108^2 + 3854^2 .

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 3 ways as a sum of consecutive naturals, for example, 1023605 + ... + 1023644.

It is an arithmetic number, because the mean of its divisors is an integer number (7165375).

Almost surely, 2^40944980 is an apocalyptic number.

It is an amenable number.

40944980 is an abundant number, since it is smaller than the sum of its proper divisors (45039520).

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

40944980 is a wasteful number, since it uses less digits than its factorization.

40944980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047258 (or 2047256 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 40944980 is about 6398.8264549056. The cubic root of 40944980 is about 344.6674103462.

The spelling of 40944980 in words is "forty million, nine hundred forty-four thousand, nine hundred eighty".