40622208 has 128 divisors (see below), whose sum is σ = 120441600. Its totient is φ = 12026880.

The previous prime is 40622207. The next prime is 40622213. The reversal of 40622208 is 80222604.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (40622207) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 249135 + ... + 249297.

It is an arithmetic number, because the mean of its divisors is an integer number (940950).

Almost surely, 2^40622208 is an apocalyptic number.

40622208 is a gapful number since it is divisible by the number (48) 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 40622208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60220800).

40622208 is an abundant number, since it is smaller than the sum of its proper divisors (79819392).

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

40622208 is a wasteful number, since it uses less digits than its factorization.

40622208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 40622208 is about 6373.5553657280. Note that the first 3 decimals coincide. The cubic root of 40622208 is about 343.7593413219.

The spelling of 40622208 in words is "forty million, six hundred twenty-two thousand, two hundred eight".