423250440 has 64 divisors (see below), whose sum is σ = 1310722560. Its totient is φ = 109224960.

The previous prime is 423250417. The next prime is 423250469. The reversal of 423250440 is 44052324.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 423250440.

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 15 ways as a sum of consecutive naturals, for example, 53169 + ... + 60608.

It is an arithmetic number, because the mean of its divisors is an integer number (20480040).

Almost surely, 2^423250440 is an apocalyptic number.

423250440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423250440 is an abundant number, since it is smaller than the sum of its proper divisors (887472120).

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

423250440 is a wasteful number, since it uses less digits than its factorization.

423250440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113822 (or 113818 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 423250440 is about 20573.0513050447. The cubic root of 423250440 is about 750.8141913590.

The spelling of 423250440 in words is "four hundred twenty-three million, two hundred fifty thousand, four hundred forty".