1021433502450 has 48 divisors (see below), whose sum is σ = 2533240897920. Its totient is φ = 272373040320.

The previous prime is 1021433502359. The next prime is 1021433502487. The reversal of 1021433502450 is 542053341201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5115591 + ... + 5311509.

It is an arithmetic number, because the mean of its divisors is an integer number (52775852040).

Almost surely, 2^{1021433502450} is an apocalyptic number.

1021433502450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021433502450 is an abundant number, since it is smaller than the sum of its proper divisors (1511807395470).

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

1021433502450 is a wasteful number, since it uses less digits than its factorization.

1021433502450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230691 (or 230686 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 1021433502450 its reverse (542053341201), we get a palindrome (1563486843651).

The spelling of 1021433502450 in words is "one trillion, twenty-one billion, four hundred thirty-three million, five hundred two thousand, four hundred fifty".