424289369952 has 144 divisors (see below), whose sum is σ = 1393156975392. Its totient is φ = 119975731200.

The previous prime is 424289369929. The next prime is 424289369957. The reversal of 424289369952 is 259963982424.

424289369952 is a `hidden beast` number, since 42 + 428 + 9 + 36 + 99 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 424289369952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424289369957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 889299 + ... + 1280402.

It is an arithmetic number, because the mean of its divisors is an integer number (9674701218).

Almost surely, 2^424289369952 is an apocalyptic number.

424289369952 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

424289369952 is an abundant number, since it is smaller than the sum of its proper divisors (968867605440).

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

424289369952 is a wasteful number, since it uses less digits than its factorization.

424289369952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169821 (or 2169810 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 63.

The spelling of 424289369952 in words is "four hundred twenty-four billion, two hundred eighty-nine million, three hundred sixty-nine thousand, nine hundred fifty-two".