40124605547 has 16 divisors (see below), whose sum is σ = 43309469280. Its totient is φ = 36953908992.

The previous prime is 40124605513. The next prime is 40124605699. The reversal of 40124605547 is 74550642104.

It is a happy number.

It is not a de Polignac number, because 40124605547 - 2¹⁰ = 40124604523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40124605547.

It is not an unprimeable number, because it can be changed into a prime (40124605747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15330983 + ... + 15333599.

It is an arithmetic number, because the mean of its divisors is an integer number (2706841830).

Almost surely, 2^40124605547 is an apocalyptic number.

40124605547 is a deficient number, since it is larger than the sum of its proper divisors (3184863733).

40124605547 is a wasteful number, since it uses less digits than its factorization.

40124605547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4862.

The product of its (nonzero) digits is 134400, while the sum is 38.

The spelling of 40124605547 in words is "forty billion, one hundred twenty-four million, six hundred five thousand, five hundred forty-seven".