40683456 has 84 divisors (see below), whose sum is σ = 127232664. Its totient is φ = 12326400.

The previous prime is 40683437. The next prime is 40683457. The reversal of 40683456 is 65438604.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40683456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40683457) 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, 3126 + ... + 9546.

Almost surely, 2^40683456 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 40683456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63616332).

40683456 is an abundant number, since it is smaller than the sum of its proper divisors (86549208).

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

40683456 is a wasteful number, since it uses less digits than its factorization.

40683456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6450 (or 6437 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 40683456 is about 6378.3584094969. The cubic root of 40683456 is about 343.9320219021.

The spelling of 40683456 in words is "forty million, six hundred eighty-three thousand, four hundred fifty-six".