1640152333 has 48 divisors (see below), whose sum is σ = 1982836800. Its totient is φ = 1346526720.

The previous prime is 1640152313. The next prime is 1640152337. The reversal of 1640152333 is 3332510461.

It is not a de Polignac number, because 1640152333 - 2⁵ = 1640152301 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 (1640152337) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4954978 + ... + 4955308.

It is an arithmetic number, because the mean of its divisors is an integer number (41309100).

Almost surely, 2^1640152333 is an apocalyptic number.

It is an amenable number.

1640152333 is a deficient number, since it is larger than the sum of its proper divisors (342684467).

1640152333 is a wasteful number, since it uses less digits than its factorization.

1640152333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 1640152333 is about 40498.7942166184. The cubic root of 1640152333 is about 1179.3102195266.

Adding to 1640152333 its reverse (3332510461), we get a palindrome (4972662794).

The spelling of 1640152333 in words is "one billion, six hundred forty million, one hundred fifty-two thousand, three hundred thirty-three".