1002493982500 has 60 divisors (see below), whose sum is σ = 2212366862860. Its totient is φ = 397318608000.

The previous prime is 1002493982489. The next prime is 1002493982507. The reversal of 1002493982500 is 52893942001.

It can be written as a sum of positive squares in 10 ways, for example, as 388906893376 + 613587089124 = 623624^2 + 783318^2 .

It is not an unprimeable number, because it can be changed into a prime (1002493982507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1566939 + ... + 2111938.

Almost surely, 2^{1002493982500} is an apocalyptic number.

1002493982500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002493982500 is an abundant number, since it is smaller than the sum of its proper divisors (1209872880360).

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

1002493982500 is a wasteful number, since it uses less digits than its factorization.

1002493982500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3679010 (or 3678993 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 1002493982500 in words is "one trillion, two billion, four hundred ninety-three million, nine hundred eighty-two thousand, five hundred".