40840460 has 48 divisors (see below), whose sum is σ = 91699776. Its totient is φ = 15224832.

The previous prime is 40840441. The next prime is 40840483. The reversal of 40840460 is 6404804.

40840460 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, 37889 + ... + 38951.

It is an arithmetic number, because the mean of its divisors is an integer number (1910412).

Almost surely, 2^40840460 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 40840460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45849888).

40840460 is an abundant number, since it is smaller than the sum of its proper divisors (50859316).

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

40840460 is a wasteful number, since it uses less digits than its factorization.

40840460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 40840460 is about 6390.6541136256. The cubic root of 40840460 is about 344.3738836463.

The spelling of 40840460 in words is "forty million, eight hundred forty thousand, four hundred sixty".