40282780 has 12 divisors (see below), whose sum is σ = 84593880. Its totient is φ = 16113104.

The previous prime is 40282763. The next prime is 40282789. The reversal of 40282780 is 8728204.

40282780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40282789) 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 3 ways as a sum of consecutive naturals, for example, 1007050 + ... + 1007089.

It is an arithmetic number, because the mean of its divisors is an integer number (7049490).

Almost surely, 2^40282780 is an apocalyptic number.

It is an amenable number.

40282780 is an abundant number, since it is smaller than the sum of its proper divisors (44311100).

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

40282780 is a wasteful number, since it uses less digits than its factorization.

40282780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014148 (or 2014146 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 40282780 is about 6346.8716703586. The cubic root of 40282780 is about 342.7992092920.

The spelling of 40282780 in words is "forty million, two hundred eighty-two thousand, seven hundred eighty".