40850000 has 120 divisors (see below), whose sum is σ = 106555680. Its totient is φ = 15120000.

The previous prime is 40849993. The next prime is 40850023. The reversal of 40850000 is 5804.

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, 949979 + ... + 950021.

It is an arithmetic number, because the mean of its divisors is an integer number (887964).

Almost surely, 2^40850000 is an apocalyptic number.

40850000 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 40850000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53277840).

40850000 is an abundant number, since it is smaller than the sum of its proper divisors (65705680).

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

40850000 is an equidigital number, since it uses as much as digits as its factorization.

40850000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 40850000 is about 6391.4004725099. The cubic root of 40850000 is about 344.4006958735.

Adding to 40850000 its reverse (5804), we get a palindrome (40855804).

The spelling of 40850000 in words is "forty million, eight hundred fifty thousand".