1042636221350 has 48 divisors (see below), whose sum is σ = 2014570612800. Its totient is φ = 400988340480.

The previous prime is 1042636221317. The next prime is 1042636221359. The reversal of 1042636221350 is 531226362401.

It is a self number, because there is not a number n which added to its sum of digits gives 1042636221350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042636221359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1157759 + ... + 1850858.

It is an arithmetic number, because the mean of its divisors is an integer number (41970221100).

Almost surely, 2^{1042636221350} is an apocalyptic number.

1042636221350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1042636221350 is a deficient number, since it is larger than the sum of its proper divisors (971934391450).

1042636221350 is a wasteful number, since it uses less digits than its factorization.

1042636221350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008897 (or 3008892 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 1042636221350 in words is "one trillion, forty-two billion, six hundred thirty-six million, two hundred twenty-one thousand, three hundred fifty".