40124111240 has 32 divisors (see below), whose sum is σ = 90416304000. Its totient is φ = 16025279424.

The previous prime is 40124111201. The next prime is 40124111249. The reversal of 40124111240 is 4211142104.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (40124111249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734720 + ... + 787439.

It is an arithmetic number, because the mean of its divisors is an integer number (2825509500).

Almost surely, 2^40124111240 is an apocalyptic number.

40124111240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40124111240 is an abundant number, since it is smaller than the sum of its proper divisors (50292192760).

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

40124111240 is a wasteful number, since it uses less digits than its factorization.

40124111240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522829 (or 1522825 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 40124111240 its reverse (4211142104), we get a palindrome (44335253344).

The spelling of 40124111240 in words is "forty billion, one hundred twenty-four million, one hundred eleven thousand, two hundred forty".