424000044 has 54 divisors (see below), whose sum is σ = 1160580876. Its totient is φ = 130459680.

The previous prime is 424000037. The next prime is 424000063. The reversal of 424000044 is 440000424.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 423999990 and 424000026.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 28762 + ... + 40929.

Almost surely, 2^424000044 is an apocalyptic number.

It is an amenable number.

424000044 is an abundant number, since it is smaller than the sum of its proper divisors (736580832).

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

424000044 is a wasteful number, since it uses less digits than its factorization.

424000044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69727 (or 69709 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 424000044 is about 20591.2613503884. The cubic root of 424000044 is about 751.2571768311.

Adding to 424000044 its reverse (440000424), we get a palindrome (864000468).

The spelling of 424000044 in words is "four hundred twenty-four million, forty-four", and thus it is an aban number.