1424424978 has 24 divisors (see below), whose sum is σ = 3106698816. Its totient is φ = 471663000.

The previous prime is 1424424977. The next prime is 1424425027. The reversal of 1424424978 is 8794244241.

It is not an unprimeable number, because it can be changed into a prime (1424424977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 259318 + ... + 264753.

It is an arithmetic number, because the mean of its divisors is an integer number (129445784).

Almost surely, 2^1424424978 is an apocalyptic number.

1424424978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1424424978 is an abundant number, since it is smaller than the sum of its proper divisors (1682273838).

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

1424424978 is a wasteful number, since it uses less digits than its factorization.

1424424978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524230 (or 524227 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 1424424978 is about 37741.5550554028. Note that the first 3 decimals coincide. The cubic root of 1424424978 is about 1125.1571738920.

The spelling of 1424424978 in words is "one billion, four hundred twenty-four million, four hundred twenty-four thousand, nine hundred seventy-eight".