40124004 has 24 divisors (see below), whose sum is σ = 93968448. Its totient is φ = 13325280.

The previous prime is 40123949. The next prime is 40124009. The reversal of 40124004 is 40042104.

It is not an unprimeable number, because it can be changed into a prime (40124009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2712 + ... + 9359.

It is an arithmetic number, because the mean of its divisors is an integer number (3915352).

Almost surely, 2^40124004 is an apocalyptic number.

It is an amenable number.

40124004 is an abundant number, since it is smaller than the sum of its proper divisors (53844444).

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

40124004 is a wasteful number, since it uses less digits than its factorization.

40124004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12355 (or 12353 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 40124004 is about 6334.3511112031. The cubic root of 40124004 is about 342.3482311934.

Adding to 40124004 its reverse (40042104), we get a palindrome (80166108).

The spelling of 40124004 in words is "forty million, one hundred twenty-four thousand, four".