40122550 has 48 divisors (see below), whose sum is σ = 85119552. Its totient is φ = 13939200.

The previous prime is 40122529. The next prime is 40122611. The reversal of 40122550 is 5522104.

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, 9235 + ... + 12865.

It is an arithmetic number, because the mean of its divisors is an integer number (1773324).

Almost surely, 2^40122550 is an apocalyptic number.

40122550 is an abundant number, since it is smaller than the sum of its proper divisors (44997002).

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

40122550 is a wasteful number, since it uses less digits than its factorization.

40122550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673 (or 3668 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 40122550 is about 6334.2363391336. The cubic root of 40122550 is about 342.3440958439.

Adding to 40122550 its reverse (5522104), we get a palindrome (45644654).

The spelling of 40122550 in words is "forty million, one hundred twenty-two thousand, five hundred fifty".