40054950 has 144 divisors (see below), whose sum is σ = 119429856. Its totient is φ = 9561600.

The previous prime is 40054933. The next prime is 40054961. The reversal of 40054950 is 5945004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 239767 + ... + 239933.

It is an arithmetic number, because the mean of its divisors is an integer number (829374).

Almost surely, 2^40054950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40054950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59714928).

40054950 is an abundant number, since it is smaller than the sum of its proper divisors (79374906).

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

40054950 is a wasteful number, since it uses less digits than its factorization.

40054950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 40054950 is about 6328.8980083424. The cubic root of 40054950 is about 342.1517229750.

Adding to 40054950 its reverse (5945004), we get a palindrome (45999954).

The spelling of 40054950 in words is "forty million, fifty-four thousand, nine hundred fifty".