40089038383989 has 64 divisors (see below), whose sum is σ = 71503373056000. Its totient is φ = 21685523575680.

The previous prime is 40089038383897. The next prime is 40089038383991. The reversal of 40089038383989 is 98938383098004.

40089038383989 is a `hidden beast` number, since 4 + 0 + 0 + 8 + 90 + 383 + 83 + 9 + 89 = 666.

It is not a de Polignac number, because 40089038383989 - 2⁷ = 40089038383861 is a prime.

It is a super-2 number, since 2×40089038383989² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40089038383189) 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, 312297 + ... + 8959665.

It is an arithmetic number, because the mean of its divisors is an integer number (1117240204000).

Almost surely, 2^{40089038383989} is an apocalyptic number.

It is an amenable number.

40089038383989 is a deficient number, since it is larger than the sum of its proper divisors (31414334672011).

40089038383989 is a wasteful number, since it uses less digits than its factorization.

40089038383989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8648695 (or 8648689 counting only the distinct ones).

The product of its (nonzero) digits is 322486272, while the sum is 72.

The spelling of 40089038383989 in words is "forty trillion, eighty-nine billion, thirty-eight million, three hundred eighty-three thousand, nine hundred eighty-nine".