40973568 has 72 divisors (see below), whose sum is σ = 112632576. Its totient is φ = 13209600.

The previous prime is 40973567. The next prime is 40973573. The reversal of 40973568 is 86537904.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40973561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22948 + ... + 24668.

Almost surely, 2^40973568 is an apocalyptic number.

40973568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40973568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56316288).

40973568 is an abundant number, since it is smaller than the sum of its proper divisors (71659008).

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

40973568 is a wasteful number, since it uses less digits than its factorization.

40973568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771 (or 1757 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 40973568 is about 6401.0599122333. The cubic root of 40973568 is about 344.7476078828.

The spelling of 40973568 in words is "forty million, nine hundred seventy-three thousand, five hundred sixty-eight".