40785980 has 24 divisors (see below), whose sum is σ = 87741360. Its totient is φ = 15916160.

The previous prime is 40785967. The next prime is 40786019. The reversal of 40785980 is 8958704.

40785980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

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, 24050 + ... + 25689.

It is an arithmetic number, because the mean of its divisors is an integer number (3655890).

Almost surely, 2^40785980 is an apocalyptic number.

It is an amenable number.

40785980 is an abundant number, since it is smaller than the sum of its proper divisors (46955380).

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

40785980 is a wasteful number, since it uses less digits than its factorization.

40785980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49789 (or 49787 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 40785980 is about 6386.3902167030. The cubic root of 40785980 is about 344.2206872181.

The spelling of 40785980 in words is "forty million, seven hundred eighty-five thousand, nine hundred eighty".