424402254 has 80 divisors (see below), whose sum is σ = 982521936. Its totient is φ = 136857600.

The previous prime is 424402249. The next prime is 424402267. The reversal of 424402254 is 452204424.

424402254 is a `hidden beast` number, since 4 + 2 + 4 + 402 + 254 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 661774 + ... + 662414.

Almost surely, 2^424402254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424402254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491260968).

424402254 is an abundant number, since it is smaller than the sum of its proper divisors (558119682).

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

424402254 is a wasteful number, since it uses less digits than its factorization.

424402254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783 (or 774 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 424402254 is about 20601.0255569959. The cubic root of 424402254 is about 751.4946513777.

Adding to 424402254 its reverse (452204424), we get a palindrome (876606678).

The spelling of 424402254 in words is "four hundred twenty-four million, four hundred two thousand, two hundred fifty-four".