424212144 has 20 divisors (see below), whose sum is σ = 1095881496. Its totient is φ = 141404032.

The previous prime is 424212133. The next prime is 424212179. The reversal of 424212144 is 441212424.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4418829 + ... + 4418924.

Almost surely, 2^424212144 is an apocalyptic number.

It is an amenable number.

424212144 is an abundant number, since it is smaller than the sum of its proper divisors (671669352).

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

424212144 is a wasteful number, since it uses less digits than its factorization.

424212144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8837764 (or 8837758 counting only the distinct ones).

The product of its digits is 2048, while the sum is 24.

The square root of 424212144 is about 20596.4109494834. The cubic root of 424212144 is about 751.3824245265.

Adding to 424212144 its reverse (441212424), we get a palindrome (865424568).

The spelling of 424212144 in words is "four hundred twenty-four million, two hundred twelve thousand, one hundred forty-four".