40013124 has 24 divisors (see below), whose sum is σ = 93515520. Its totient is φ = 13316064.

The previous prime is 40013117. The next prime is 40013153. The reversal of 40013124 is 42131004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6157 + ... + 10859.

It is an arithmetic number, because the mean of its divisors is an integer number (3896480).

Almost surely, 2^40013124 is an apocalyptic number.

It is an amenable number.

40013124 is an abundant number, since it is smaller than the sum of its proper divisors (53502396).

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

40013124 is a wasteful number, since it uses less digits than its factorization.

40013124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5419 (or 5417 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 40013124 is about 6325.5927785465. The cubic root of 40013124 is about 342.0325881193.

Adding to 40013124 its reverse (42131004), we get a palindrome (82144128).

The spelling of 40013124 in words is "forty million, thirteen thousand, one hundred twenty-four".