40077056 has 36 divisors (see below), whose sum is σ = 80942400. Its totient is φ = 19802112.

The previous prime is 40077053. The next prime is 40077067. The reversal of 40077056 is 65077004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40077053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21905 + ... + 23663.

It is an arithmetic number, because the mean of its divisors is an integer number (2248400).

Almost surely, 2^40077056 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 40077056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40471200).

40077056 is an abundant number, since it is smaller than the sum of its proper divisors (40865344).

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

40077056 is an equidigital number, since it uses as much as digits as its factorization.

40077056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864 (or 1850 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 40077056 is about 6330.6442010273. The cubic root of 40077056 is about 342.2146549803.

The spelling of 40077056 in words is "forty million, seventy-seven thousand, fifty-six".