423040214040 has 64 divisors (see below), whose sum is σ = 1282204395360. Its totient is φ = 111647723520.

The previous prime is 423040213997. The next prime is 423040214057. The reversal of 423040214040 is 40412040324.

It is a happy number.

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 423040214040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18160191 + ... + 18183470.

Almost surely, 2^423040214040 is an apocalyptic number.

423040214040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423040214040 is an abundant number, since it is smaller than the sum of its proper divisors (859164181320).

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

423040214040 is a wasteful number, since it uses less digits than its factorization.

423040214040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36343772 (or 36343768 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 423040214040 its reverse (40412040324), we get a palindrome (463452254364).

The spelling of 423040214040 in words is "four hundred twenty-three billion, forty million, two hundred fourteen thousand, forty".