621302244001420 has 48 divisors (see below), whose sum is σ = 1362209135616000. Its totient is φ = 237585242814656.

The previous prime is 621302244001391. The next prime is 621302244001427. The reversal of 621302244001420 is 24100442203126.

It is not an unprimeable number, because it can be changed into a prime (621302244001427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369610420 + ... + 371287579.

It is an arithmetic number, because the mean of its divisors is an integer number (28379356992000).

Almost surely, 2^{621302244001420} is an apocalyptic number.

It is an amenable number.

621302244001420 is an abundant number, since it is smaller than the sum of its proper divisors (740906891614580).

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

621302244001420 is a wasteful number, since it uses less digits than its factorization.

621302244001420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740899854 (or 740899852 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 621302244001420 its reverse (24100442203126), we get a palindrome (645402686204546).

The spelling of 621302244001420 in words is "six hundred twenty-one trillion, three hundred two billion, two hundred forty-four million, one thousand, four hundred twenty".