40190850 has 96 divisors (see below), whose sum is σ = 126599040. Its totient is φ = 9184320.

The previous prime is 40190837. The next prime is 40190851. The reversal of 40190850 is 5809104.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40190851) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7324 + ... + 11576.

It is an arithmetic number, because the mean of its divisors is an integer number (1318740).

Almost surely, 2^40190850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40190850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63299520).

40190850 is an abundant number, since it is smaller than the sum of its proper divisors (86408190).

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

40190850 is a wasteful number, since it uses less digits than its factorization.

40190850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4281 (or 4270 counting only the distinct ones).

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

The square root of 40190850 is about 6339.6253832541. The cubic root of 40190850 is about 342.5382414189.

Adding to 40190850 its reverse (5809104), we get a palindrome (45999954).

The spelling of 40190850 in words is "forty million, one hundred ninety thousand, eight hundred fifty".