40422256 has 60 divisors (see below), whose sum is σ = 93127968. Its totient is φ = 16939776.

The previous prime is 40422251. The next prime is 40422271. The reversal of 40422256 is 65222404.

It is a self number, because there is not a number n which added to its sum of digits gives 40422256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40422251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36300 + ... + 37396.

Almost surely, 2^40422256 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 40422256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46563984).

40422256 is an abundant number, since it is smaller than the sum of its proper divisors (52705712).

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

40422256 is a wasteful number, since it uses less digits than its factorization.

40422256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166 (or 1153 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 40422256 is about 6357.8499510448. The cubic root of 40422256 is about 343.1943921000.

The spelling of 40422256 in words is "forty million, four hundred twenty-two thousand, two hundred fifty-six".