421159240 has 32 divisors (see below), whose sum is σ = 950355000. Its totient is φ = 167975424.

The previous prime is 421159223. The next prime is 421159327. The reversal of 421159240 is 42951124.

It can be written as a sum of positive squares in 4 ways, for example, as 383924836 + 37234404 = 19594^2 + 6102^2 .

It is a junction number, because it is equal to n+sod(n) for n = 421159199 and 421159208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1125 + ... + 29044.

Almost surely, 2^421159240 is an apocalyptic number.

421159240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421159240 is an abundant number, since it is smaller than the sum of its proper divisors (529195760).

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

421159240 is a wasteful number, since it uses less digits than its factorization.

421159240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30529 (or 30525 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 421159240 is about 20522.1646031797. The cubic root of 421159240 is about 749.5756058240.

The spelling of 421159240 in words is "four hundred twenty-one million, one hundred fifty-nine thousand, two hundred forty".