420544121352 has 32 divisors (see below), whose sum is σ = 1051396416000. Its totient is φ = 140176558784.

The previous prime is 420544121351. The next prime is 420544121353. The reversal of 420544121352 is 253121445024.

It is an interprime number because it is at equal distance from previous prime (420544121351) and next prime (420544121353).

It is not an unprimeable number, because it can be changed into a prime (420544121351) 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, 450649 + ... + 1021847.

It is an arithmetic number, because the mean of its divisors is an integer number (32856138000).

Almost surely, 2^420544121352 is an apocalyptic number.

It is an amenable number.

420544121352 is an abundant number, since it is smaller than the sum of its proper divisors (630852294648).

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

420544121352 is a wasteful number, since it uses less digits than its factorization.

420544121352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601885 (or 601881 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 420544121352 its reverse (253121445024), we get a palindrome (673665566376).

The spelling of 420544121352 in words is "four hundred twenty billion, five hundred forty-four million, one hundred twenty-one thousand, three hundred fifty-two".