1021427332350 has 96 divisors (see below), whose sum is σ = 2621352222720. Its totient is φ = 262901600640.

The previous prime is 1021427332271. The next prime is 1021427332361. The reversal of 1021427332350 is 532337241201.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 13739379 + ... + 13813521.

It is an arithmetic number, because the mean of its divisors is an integer number (27305752320).

Almost surely, 2^{1021427332350} is an apocalyptic number.

1021427332350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021427332350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1310676111360).

1021427332350 is an abundant number, since it is smaller than the sum of its proper divisors (1599924890370).

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

1021427332350 is a wasteful number, since it uses less digits than its factorization.

1021427332350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77354 (or 77349 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The spelling of 1021427332350 in words is "one trillion, twenty-one billion, four hundred twenty-seven million, three hundred thirty-two thousand, three hundred fifty".