421292234888 has 36 divisors (see below), whose sum is σ = 918917981415. Its totient is φ = 180548307408.

The previous prime is 421292234863. The next prime is 421292234959. The reversal of 421292234888 is 888432292124.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 210646117444 + 210646117444 = 458962^2 + 458962^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=458962.

It is a super-3 number, since 3×421292234888³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12834545 + ... + 12867327.

Almost surely, 2^421292234888 is an apocalyptic number.

It is an amenable number.

421292234888 is an abundant number, since it is smaller than the sum of its proper divisors (497625746527).

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

421292234888 is an frugal number, since it uses more digits than its factorization.

421292234888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65586 (or 32792 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 53.

The spelling of 421292234888 in words is "four hundred twenty-one billion, two hundred ninety-two million, two hundred thirty-four thousand, eight hundred eighty-eight".