424400442 has 16 divisors (see below), whose sum is σ = 878070240. Its totient is φ = 136588592.

The previous prime is 424400437. The next prime is 424400467. The reversal of 424400442 is 244004424.

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, 1219368 + ... + 1219715.

It is an arithmetic number, because the mean of its divisors is an integer number (54879390).

Almost surely, 2^424400442 is an apocalyptic number.

424400442 is an abundant number, since it is smaller than the sum of its proper divisors (453669798).

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

424400442 is a wasteful number, since it uses less digits than its factorization.

424400442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2439117.

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 424400442 is about 20600.9815785559. The cubic root of 424400442 is about 751.4935818654.

Adding to 424400442 its reverse (244004424), we get a palindrome (668404866).

The spelling of 424400442 in words is "four hundred twenty-four million, four hundred thousand, four hundred forty-two".