423250040 has 32 divisors (see below), whose sum is σ = 972578880. Its totient is φ = 165697152.

The previous prime is 423250033. The next prime is 423250063. The reversal of 423250040 is 40052324.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 423249994 and 423250021.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 110687 + ... + 114446.

It is an arithmetic number, because the mean of its divisors is an integer number (30393090).

Almost surely, 2^423250040 is an apocalyptic number.

423250040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423250040 is an abundant number, since it is smaller than the sum of its proper divisors (549328840).

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

423250040 is a wasteful number, since it uses less digits than its factorization.

423250040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225191 (or 225187 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 423250040 is about 20573.0415835870. The cubic root of 423250040 is about 750.8139548357.

The spelling of 423250040 in words is "four hundred twenty-three million, two hundred fifty thousand, forty".