40489876 has 36 divisors (see below), whose sum is σ = 82805268. Its totient is φ = 17273088.

The previous prime is 40489859. The next prime is 40489957. The reversal of 40489876 is 67898404.

It is a happy number.

40489876 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 2 ways, for example, as 3572100 + 36917776 = 1890^2 + 6076^2 .

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 11 ways as a sum of consecutive naturals, for example, 65746 + ... + 66358.

Almost surely, 2^40489876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40489876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41402634).

40489876 is an abundant number, since it is smaller than the sum of its proper divisors (42315392).

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

40489876 is a wasteful number, since it uses less digits than its factorization.

40489876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968 (or 959 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 40489876 is about 6363.1655644027. The cubic root of 40489876 is about 343.3856553517.

It can be divided in two parts, 4048 and 9876, that added together give a square (13924 = 118²).

The spelling of 40489876 in words is "forty million, four hundred eighty-nine thousand, eight hundred seventy-six".