300021404421140 has 24 divisors (see below), whose sum is σ = 643450160973312. Its totient is φ = 117455188113440.

The previous prime is 300021404421127. The next prime is 300021404421143. The reversal of 300021404421140 is 41124404120003.

It is a super-2 number, since 2×300021404421140² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300021404421143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159585852476 + ... + 159585854355.

It is an arithmetic number, because the mean of its divisors is an integer number (26810423373888).

Almost surely, 2^{300021404421140} is an apocalyptic number.

It is an amenable number.

300021404421140 is an abundant number, since it is smaller than the sum of its proper divisors (343428756552172).

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

300021404421140 is a wasteful number, since it uses less digits than its factorization.

300021404421140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319171706887 (or 319171706885 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 300021404421140 its reverse (41124404120003), we get a palindrome (341145808541143).

The spelling of 300021404421140 in words is "three hundred trillion, twenty-one billion, four hundred four million, four hundred twenty-one thousand, one hundred forty".