423876240 has 100 divisors (see below), whose sum is σ = 1472207484. Its totient is φ = 113031936.

The previous prime is 423876217. The next prime is 423876247. The reversal of 423876240 is 42678324.

423876240 is a `hidden beast` number, since 4 + 23 + 8 + 7 + 624 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 130233744 + 293642496 = 11412^2 + 17136^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 423876195 and 423876204.

It is not an unprimeable number, because it can be changed into a prime (423876247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26227 + ... + 39186.

Almost surely, 2^423876240 is an apocalyptic number.

423876240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423876240 is an abundant number, since it is smaller than the sum of its proper divisors (1048331244).

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

423876240 is a wasteful number, since it uses less digits than its factorization.

423876240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65438 (or 65423 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 423876240 is about 20588.2549041923. The cubic root of 423876240 is about 751.1840497180.

The spelling of 423876240 in words is "four hundred twenty-three million, eight hundred seventy-six thousand, two hundred forty".