40981296 has 80 divisors (see below), whose sum is σ = 109680480. Its totient is φ = 13178880.

The previous prime is 40981289. The next prime is 40981301. The reversal of 40981296 is 69218904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226326 + ... + 226506.

It is an arithmetic number, because the mean of its divisors is an integer number (1371006).

Almost surely, 2^40981296 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 40981296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54840240).

40981296 is an abundant number, since it is smaller than the sum of its proper divisors (68699184).

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

40981296 is a wasteful number, since it uses less digits than its factorization.

40981296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 40981296 is about 6401.6635338012. The cubic root of 40981296 is about 344.7692807332.

The spelling of 40981296 in words is "forty million, nine hundred eighty-one thousand, two hundred ninety-six".