40220980 has 24 divisors (see below), whose sum is σ = 89433288. Its totient is φ = 15141888.

The previous prime is 40220933. The next prime is 40220987. The reversal of 40220980 is 8902204.

40220980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 933156 + 39287824 = 966^2 + 6268^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40220987) 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 7 ways as a sum of consecutive naturals, for example, 58809 + ... + 59488.

It is an arithmetic number, because the mean of its divisors is an integer number (3726387).

Almost surely, 2^40220980 is an apocalyptic number.

It is an amenable number.

40220980 is an abundant number, since it is smaller than the sum of its proper divisors (49212308).

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

40220980 is a wasteful number, since it uses less digits than its factorization.

40220980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118323 (or 118321 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 40220980 is about 6342.0012614316. The cubic root of 40220980 is about 342.6238172754.

The spelling of 40220980 in words is "forty million, two hundred twenty thousand, nine hundred eighty".