1002340442450 has 12 divisors (see below), whose sum is σ = 1864353223050. Its totient is φ = 400936176960.

The previous prime is 1002340442447. The next prime is 1002340442533. The reversal of 1002340442450 is 542440432001.

It can be written as a sum of positive squares in 3 ways, for example, as 566393213281 + 435947229169 = 752591^2 + 660263^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10023404375 + ... + 10023404474.

Almost surely, 2^{1002340442450} is an apocalyptic number.

1002340442450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002340442450 is a deficient number, since it is larger than the sum of its proper divisors (862012780600).

1002340442450 is a wasteful number, since it uses less digits than its factorization.

1002340442450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20046808861 (or 20046808856 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 1002340442450 its reverse (542440432001), we get a palindrome (1544780874451).

The spelling of 1002340442450 in words is "one trillion, two billion, three hundred forty million, four hundred forty-two thousand, four hundred fifty".