421555042341202 has 96 divisors (see below), whose sum is σ = 822436085624832. Its totient is φ = 158463887868000.

The previous prime is 421555042341197. The next prime is 421555042341211. The reversal of 421555042341202 is 202143240555124.

It is a super-2 number, since 2×421555042341202² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5256033 + ... + 29508235.

It is an arithmetic number, because the mean of its divisors is an integer number (8567042558592).

Almost surely, 2^{421555042341202} is an apocalyptic number.

421555042341202 is a deficient number, since it is larger than the sum of its proper divisors (400881043283630).

421555042341202 is a wasteful number, since it uses less digits than its factorization.

421555042341202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24252596 (or 24252585 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 421555042341202 its reverse (202143240555124), we get a palindrome (623698282896326).

The spelling of 421555042341202 in words is "four hundred twenty-one trillion, five hundred fifty-five billion, forty-two million, three hundred forty-one thousand, two hundred two".