1640150264027 has 8 divisors (see below), whose sum is σ = 1789308600240. Its totient is φ = 1491000888960.

The previous prime is 1640150264017. The next prime is 1640150264069. The reversal of 1640150264027 is 7204620510461.

It is a happy number.

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

It is not a de Polignac number, because 1640150264027 - 2¹⁸ = 1640150001883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1640150264017) 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, 1854698 + ... + 2592335.

It is an arithmetic number, because the mean of its divisors is an integer number (223663575030).

Almost surely, 2^{1640150264027} is an apocalyptic number.

1640150264027 is a deficient number, since it is larger than the sum of its proper divisors (149158336213).

1640150264027 is a wasteful number, since it uses less digits than its factorization.

1640150264027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480573.

The product of its (nonzero) digits is 80640, while the sum is 38.

Adding to 1640150264027 its reverse (7204620510461), we get a palindrome (8844770774488).

The spelling of 1640150264027 in words is "one trillion, six hundred forty billion, one hundred fifty million, two hundred sixty-four thousand, twenty-seven".