40001043124 has 24 divisors (see below), whose sum is σ = 83480439168. Its totient is φ = 16397942880.

The previous prime is 40001043109. The next prime is 40001043169. The reversal of 40001043124 is 42134010004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31056067 + ... + 31057354.

It is an arithmetic number, because the mean of its divisors is an integer number (3478351632).

Almost surely, 2^40001043124 is an apocalyptic number.

It is an amenable number.

40001043124 is an abundant number, since it is smaller than the sum of its proper divisors (43479396044).

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

40001043124 is a wasteful number, since it uses less digits than its factorization.

40001043124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62113455 (or 62113453 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 40001043124 its reverse (42134010004), we get a palindrome (82135053128).

The spelling of 40001043124 in words is "forty billion, one million, forty-three thousand, one hundred twenty-four".