40122500 has 60 divisors (see below), whose sum is σ = 95781840. Its totient is φ = 14580000.

The previous prime is 40122497. The next prime is 40122503. The reversal of 40122500 is 522104.

It is an interprime number because it is at equal distance from previous prime (40122497) and next prime (40122503).

It is not an unprimeable number, because it can be changed into a prime (40122503) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26771 + ... + 28229.

It is an arithmetic number, because the mean of its divisors is an integer number (1596364).

Almost surely, 2^40122500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40122500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47890920).

40122500 is an abundant number, since it is smaller than the sum of its proper divisors (55659340).

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

40122500 is a wasteful number, since it uses less digits than its factorization.

40122500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494 (or 1477 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 40122500 is about 6334.2323923266. The cubic root of 40122500 is about 342.3439536362.

Adding to 40122500 its reverse (522104), we get a palindrome (40644604).

The spelling of 40122500 in words is "forty million, one hundred twenty-two thousand, five hundred".