40856046 has 64 divisors (see below), whose sum is σ = 102629376. Its totient is φ = 10533600.

The previous prime is 40856033. The next prime is 40856059. The reversal of 40856046 is 64065804.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40856033) and next prime (40856059).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 40855998 and 40856016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88011 + ... + 88473.

It is an arithmetic number, because the mean of its divisors is an integer number (1603584).

Almost surely, 2^40856046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40856046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51314688).

40856046 is an abundant number, since it is smaller than the sum of its proper divisors (61773330).

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

40856046 is a wasteful number, since it uses less digits than its factorization.

40856046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 40856046 is about 6391.8734342914. The cubic root of 40856046 is about 344.4176860317.

It can be divided in two parts, 40 and 856046, that added together give a triangular number (856086 = T₁₃₀₈).

The spelling of 40856046 in words is "forty million, eight hundred fifty-six thousand, forty-six".