1002640364 has 36 divisors (see below), whose sum is σ = 1935124464. Its totient is φ = 454212000.

The previous prime is 1002640339. The next prime is 1002640411. The reversal of 1002640364 is 4630462001.

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 11 ways as a sum of consecutive naturals, for example, 147194 + ... + 153854.

Almost surely, 2^1002640364 is an apocalyptic number.

It is an amenable number.

1002640364 is a deficient number, since it is larger than the sum of its proper divisors (932484100).

1002640364 is a wasteful number, since it uses less digits than its factorization.

1002640364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6998 (or 6985 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1002640364 is about 31664.4969011036. The cubic root of 1002640364 is about 1000.8793478540.

The spelling of 1002640364 in words is "one billion, two million, six hundred forty thousand, three hundred sixty-four".