40124000 has 96 divisors (see below), whose sum is σ = 112746816. Its totient is φ = 13747200.

The previous prime is 40123949. The next prime is 40124009. The reversal of 40124000 is 42104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40124009) 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, 27284 + ... + 28716.

It is an arithmetic number, because the mean of its divisors is an integer number (1174446).

Almost surely, 2^40124000 is an apocalyptic number.

40124000 is a gapful number since it is divisible by the number (40) 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 40124000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56373408).

40124000 is an abundant number, since it is smaller than the sum of its proper divisors (72622816).

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

40124000 is a wasteful number, since it uses less digits than its factorization.

40124000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465 (or 1447 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 40124000 is about 6334.3507954644. The cubic root of 40124000 is about 342.3482198171.

Adding to 40124000 its reverse (42104), we get a palindrome (40166104).

The spelling of 40124000 in words is "forty million, one hundred twenty-four thousand".