40981050 has 144 divisors (see below), whose sum is σ = 127438272. Its totient is φ = 9331200.

The previous prime is 40981049. The next prime is 40981051. The reversal of 40981050 is 5018904.

It is an interprime number because it is at equal distance from previous prime (40981049) and next prime (40981051).

It is not an unprimeable number, because it can be changed into a prime (40981051) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 83907 + ... + 84393.

It is an arithmetic number, because the mean of its divisors is an integer number (884988).

Almost surely, 2^40981050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40981050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63719136).

40981050 is an abundant number, since it is smaller than the sum of its proper divisors (86457222).

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

40981050 is a wasteful number, since it uses less digits than its factorization.

40981050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 40981050 is about 6401.6443200165. The cubic root of 40981050 is about 344.7685908785.

Adding to 40981050 its reverse (5018904), we get a palindrome (45999954).

The spelling of 40981050 in words is "forty million, nine hundred eighty-one thousand, fifty".