424342323440 has 40 divisors (see below), whose sum is σ = 1127538175200. Its totient is φ = 145488796416.

The previous prime is 424342323439. The next prime is 424342323473. The reversal of 424342323440 is 44323243424.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 424342323440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378876515 + ... + 378877634.

It is an arithmetic number, because the mean of its divisors is an integer number (28188454380).

Almost surely, 2^424342323440 is an apocalyptic number.

424342323440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424342323440 is an abundant number, since it is smaller than the sum of its proper divisors (703195851760).

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

424342323440 is a wasteful number, since it uses less digits than its factorization.

424342323440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757754169 (or 757754163 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 35.

Adding to 424342323440 its reverse (44323243424), we get a palindrome (468665566864).

The spelling of 424342323440 in words is "four hundred twenty-four billion, three hundred forty-two million, three hundred twenty-three thousand, four hundred forty".