1021352342240 has 24 divisors (see below), whose sum is σ = 2412944908920. Its totient is φ = 408540936832.

The previous prime is 1021352342183. The next prime is 1021352342273. The reversal of 1021352342240 is 422432531201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3191725910 + ... + 3191726229.

It is an arithmetic number, because the mean of its divisors is an integer number (100539371205).

Almost surely, 2^{1021352342240} is an apocalyptic number.

1021352342240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021352342240 is an abundant number, since it is smaller than the sum of its proper divisors (1391592566680).

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

1021352342240 is an equidigital number, since it uses as much as digits as its factorization.

1021352342240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6383452154 (or 6383452146 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 1021352342240 its reverse (422432531201), we get a palindrome (1443784873441).

The spelling of 1021352342240 in words is "one trillion, twenty-one billion, three hundred fifty-two million, three hundred forty-two thousand, two hundred forty".