40090050 has 288 divisors, whose sum is σ = 146240640. Its totient is φ = 7603200.

The previous prime is 40090049. The next prime is 40090069. The reversal of 40090050 is 5009004.

40090050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 450406 + ... + 450494.

It is an arithmetic number, because the mean of its divisors is an integer number (507780).

Almost surely, 2^40090050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40090050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73120320).

40090050 is an abundant number, since it is smaller than the sum of its proper divisors (106150590).

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

40090050 is a wasteful number, since it uses less digits than its factorization.

40090050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 40090050 is about 6331.6703957171. The cubic root of 40090050 is about 342.2516358797.

Adding to 40090050 its reverse (5009004), we get a palindrome (45099054).

The spelling of 40090050 in words is "forty million, ninety thousand, fifty".