420311422354152 has 64 divisors (see below), whose sum is σ = 1218813506219520. Its totient is φ = 118296605009088.

The previous prime is 420311422354111. The next prime is 420311422354163. The reversal of 420311422354152 is 251453224113024.

It is a super-2 number, since 2×420311422354152² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 420311422354152.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18670538778 + ... + 18670561289.

It is an arithmetic number, because the mean of its divisors is an integer number (19043961034680).

Almost surely, 2^{420311422354152} is an apocalyptic number.

420311422354152 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

420311422354152 is an abundant number, since it is smaller than the sum of its proper divisors (798502083865368).

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

420311422354152 is a wasteful number, since it uses less digits than its factorization.

420311422354152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37341100150 (or 37341100146 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 420311422354152 its reverse (251453224113024), we get a palindrome (671764646467176).

The spelling of 420311422354152 in words is "four hundred twenty trillion, three hundred eleven billion, four hundred twenty-two million, three hundred fifty-four thousand, one hundred fifty-two".