40681050 has 48 divisors (see below), whose sum is σ = 102195840. Its totient is φ = 10707840.

The previous prime is 40681037. The next prime is 40681063. The reversal of 40681050 is 5018604.

It is an interprime number because it is at equal distance from previous prime (40681037) and next prime (40681063).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40681050.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10134 + ... + 13566.

It is an arithmetic number, because the mean of its divisors is an integer number (2129080).

Almost surely, 2^40681050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40681050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51097920).

40681050 is an abundant number, since it is smaller than the sum of its proper divisors (61514790).

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

40681050 is a wasteful number, since it uses less digits than its factorization.

40681050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3527 (or 3522 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 40681050 is about 6378.1698001856. The cubic root of 40681050 is about 343.9252417770.

Adding to 40681050 its reverse (5018604), we get a palindrome (45699654).

The spelling of 40681050 in words is "forty million, six hundred eighty-one thousand, fifty".