421318465488 has 30 divisors (see below), whose sum is σ = 1179106539234. Its totient is φ = 140439488448.

The previous prime is 421318465439. The next prime is 421318465511. The reversal of 421318465488 is 884564813124.

421318465488 is a `hidden beast` number, since 4 + 2 + 13 + 1 + 84 + 6 + 548 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 421055636544 + 262828944 = 648888^2 + 16212^2 .

It is a super-2 number, since 2×421318465488² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1462911195 + ... + 1462911482.

Almost surely, 2^421318465488 is an apocalyptic number.

421318465488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

421318465488 is an abundant number, since it is smaller than the sum of its proper divisors (757788073746).

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

421318465488 is a wasteful number, since it uses less digits than its factorization.

421318465488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2925822691 (or 2925822682 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 54.

The spelling of 421318465488 in words is "four hundred twenty-one billion, three hundred eighteen million, four hundred sixty-five thousand, four hundred eighty-eight".