40124467621 has 16 divisors (see below), whose sum is σ = 46179936000. Its totient is φ = 34150007808.

The previous prime is 40124467597. The next prime is 40124467639. The reversal of 40124467621 is 12676442104.

It is not a de Polignac number, because 40124467621 - 2¹¹ = 40124465573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40124467681) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4709061 + ... + 4717573.

It is an arithmetic number, because the mean of its divisors is an integer number (2886246000).

Almost surely, 2^40124467621 is an apocalyptic number.

It is an amenable number.

40124467621 is a deficient number, since it is larger than the sum of its proper divisors (6055468379).

40124467621 is a wasteful number, since it uses less digits than its factorization.

40124467621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13188.

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 40124467621 in words is "forty billion, one hundred twenty-four million, four hundred sixty-seven thousand, six hundred twenty-one".