40489770 has 32 divisors (see below), whose sum is σ = 97345152. Its totient is φ = 10778432.

The previous prime is 40489769. The next prime is 40489783. The reversal of 40489770 is 7798404.

40489770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 28804 + ... + 30176.

It is an arithmetic number, because the mean of its divisors is an integer number (3042036).

Almost surely, 2^40489770 is an apocalyptic number.

40489770 is an abundant number, since it is smaller than the sum of its proper divisors (56855382).

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

40489770 is a wasteful number, since it uses less digits than its factorization.

40489770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 40489770 is about 6363.1572352096. The cubic root of 40489770 is about 343.3853556973.

The spelling of 40489770 in words is "forty million, four hundred eighty-nine thousand, seven hundred seventy".