40915056 has 320 divisors, whose sum is σ = 149990400. Its totient is φ = 9289728.

The previous prime is 40915013. The next prime is 40915057. The reversal of 40915056 is 65051904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40915057) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1410850 + ... + 1410878.

It is an arithmetic number, because the mean of its divisors is an integer number (468720).

Almost surely, 2^40915056 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 40915056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74995200).

40915056 is an abundant number, since it is smaller than the sum of its proper divisors (109075344).

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

40915056 is a wasteful number, since it uses less digits than its factorization.

40915056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 40915056 is about 6396.4877862777. The cubic root of 40915056 is about 344.5834249494.

The spelling of 40915056 in words is "forty million, nine hundred fifteen thousand, fifty-six".