421152246160 has 40 divisors (see below), whose sum is σ = 979521755256. Its totient is φ = 168401925120.

The previous prime is 421152246149. The next prime is 421152246209. The reversal of 421152246160 is 61642251124.

It can be written as a sum of positive squares in 4 ways, for example, as 81999758736 + 339152487424 = 286356^2 + 582368^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×421152246160² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691149 + ... + 1148908.

Almost surely, 2^421152246160 is an apocalyptic number.

421152246160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421152246160 is an abundant number, since it is smaller than the sum of its proper divisors (558369509096).

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

421152246160 is a wasteful number, since it uses less digits than its factorization.

421152246160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842931 (or 1842925 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

Adding to 421152246160 its reverse (61642251124), we get a palindrome (482794497284).

The spelling of 421152246160 in words is "four hundred twenty-one billion, one hundred fifty-two million, two hundred forty-six thousand, one hundred sixty".