40624039869 has 64 divisors (see below), whose sum is σ = 68978442240. Its totient is φ = 20746978560.

The previous prime is 40624039849. The next prime is 40624039909. The reversal of 40624039869 is 96893042604.

It is not a de Polignac number, because 40624039869 - 2⁵ = 40624039837 is a prime.

It is a super-2 number, since 2×40624039869² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40624039849) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 387439 + ... + 480995.

It is an arithmetic number, because the mean of its divisors is an integer number (1077788160).

Almost surely, 2^40624039869 is an apocalyptic number.

It is an amenable number.

40624039869 is a deficient number, since it is larger than the sum of its proper divisors (28354402371).

40624039869 is a wasteful number, since it uses less digits than its factorization.

40624039869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93650.

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 40624039869 in words is "forty billion, six hundred twenty-four million, thirty-nine thousand, eight hundred sixty-nine".