424777420 has 24 divisors (see below), whose sum is σ = 902059200. Its totient is φ = 168001152.

The previous prime is 424777411. The next prime is 424777421. The reversal of 424777420 is 24777424.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 424777420.

It is not an unprimeable number, because it can be changed into a prime (424777421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117540 + ... + 121099.

It is an arithmetic number, because the mean of its divisors is an integer number (37585800).

Almost surely, 2^424777420 is an apocalyptic number.

It is an amenable number.

424777420 is an abundant number, since it is smaller than the sum of its proper divisors (477281780).

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

424777420 is a wasteful number, since it uses less digits than its factorization.

424777420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238737 (or 238735 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 37.

The square root of 424777420 is about 20610.1290631573. The cubic root of 424777420 is about 751.7160232835.

The spelling of 424777420 in words is "four hundred twenty-four million, seven hundred seventy-seven thousand, four hundred twenty".