40631080 has 96 divisors (see below), whose sum is σ = 108673920. Its totient is φ = 13392000.

The previous prime is 40631057. The next prime is 40631083. The reversal of 40631080 is 8013604.

It is not an unprimeable number, because it can be changed into a prime (40631083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 269005 + ... + 269155.

It is an arithmetic number, because the mean of its divisors is an integer number (1132020).

Almost surely, 2^40631080 is an apocalyptic number.

40631080 is a gapful number since it is divisible by the number (40) 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 40631080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54336960).

40631080 is an abundant number, since it is smaller than the sum of its proper divisors (68042840).

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

40631080 is a wasteful number, since it uses less digits than its factorization.

40631080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 40631080 is about 6374.2513285875. The cubic root of 40631080 is about 343.7843654899.

Adding to 40631080 its reverse (8013604), we get a palindrome (48644684).

The spelling of 40631080 in words is "forty million, six hundred thirty-one thousand, eighty".