40389001527639 has 8 divisors (see below), whose sum is σ = 53864344938112. Its totient is φ = 26919829567800.

The previous prime is 40389001527629. The next prime is 40389001527689. The reversal of 40389001527639 is 93672510098304.

40389001527639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40389001527639 - 2¹⁷ = 40389001396567 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 (40389001527629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1542847387 + ... + 1542873564.

It is an arithmetic number, because the mean of its divisors is an integer number (6733043117264).

It is a 1-persistent number, because it is pandigital, but 2⋅40389001527639 = 80778003055278 is not.

Almost surely, 2^{40389001527639} is an apocalyptic number.

40389001527639 is a deficient number, since it is larger than the sum of its proper divisors (13475343410473).

40389001527639 is a wasteful number, since it uses less digits than its factorization.

40389001527639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3085725317.

The product of its (nonzero) digits is 9797760, while the sum is 57.

The spelling of 40389001527639 in words is "forty trillion, three hundred eighty-nine billion, one million, five hundred twenty-seven thousand, six hundred thirty-nine".