1001640052 has 24 divisors (see below), whose sum is σ = 2028642560. Its totient is φ = 423839520.

The previous prime is 1001640047. The next prime is 1001640067. The reversal of 1001640052 is 2500461001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224199 + ... + 228622.

Almost surely, 2^1001640052 is an apocalyptic number.

It is an amenable number.

1001640052 is an abundant number, since it is smaller than the sum of its proper divisors (1027002508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001640052 is a wasteful number, since it uses less digits than its factorization.

1001640052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452911 (or 452909 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1001640052 is about 31648.6974771475. The cubic root of 1001640052 is about 1000.5463854086.

The spelling of 1001640052 in words is "one billion, one million, six hundred forty thousand, fifty-two".