40124550540 has 48 divisors (see below), whose sum is σ = 115972899840. Its totient is φ = 10354722240.

The previous prime is 40124550533. The next prime is 40124550589. The reversal of 40124550540 is 4505542104.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 40124550498 and 40124550507.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10784310 + ... + 10788029.

It is an arithmetic number, because the mean of its divisors is an integer number (2416102080).

Almost surely, 2^40124550540 is an apocalyptic number.

It is an amenable number.

40124550540 is an abundant number, since it is smaller than the sum of its proper divisors (75848349300).

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

40124550540 is a wasteful number, since it uses less digits than its factorization.

40124550540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21572382 (or 21572380 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The spelling of 40124550540 in words is "forty billion, one hundred twenty-four million, five hundred fifty thousand, five hundred forty".