7424124428 has 24 divisors (see below), whose sum is σ = 14856963072. Its totient is φ = 3179900304.

The previous prime is 7424124401. The next prime is 7424124431. The reversal of 7424124428 is 8244214247.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7424124391 and 7424124400.

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, 28700 + ... + 125187.

It is an arithmetic number, because the mean of its divisors is an integer number (619040128).

Almost surely, 2^7424124428 is an apocalyptic number.

It is an amenable number.

7424124428 is an abundant number, since it is smaller than the sum of its proper divisors (7432838644).

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

7424124428 is a wasteful number, since it uses less digits than its factorization.

7424124428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155621 (or 155619 counting only the distinct ones).

The product of its digits is 114688, while the sum is 38.

The square root of 7424124428 is about 86163.3589642372. The cubic root of 7424124428 is about 1950.8104829896.

The spelling of 7424124428 in words is "seven billion, four hundred twenty-four million, one hundred twenty-four thousand, four hundred twenty-eight".