7424455428 has 72 divisors (see below), whose sum is σ = 21274780800. Its totient is φ = 2164211136.

The previous prime is 7424455349. The next prime is 7424455457. The reversal of 7424455428 is 8245544247.

7424455428 is a `hidden beast` number, since 74 + 2 + 4 + 4 + 554 + 28 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 408588 + ... + 426371.

Almost surely, 2^7424455428 is an apocalyptic number.

7424455428 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

7424455428 is an abundant number, since it is smaller than the sum of its proper divisors (13850325372).

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

7424455428 is a wasteful number, since it uses less digits than its factorization.

7424455428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835001 (or 834996 counting only the distinct ones).

The product of its digits is 1433600, while the sum is 45.

The square root of 7424455428 is about 86165.2797128867. The cubic root of 7424455428 is about 1950.8394744521.

The spelling of 7424455428 in words is "seven billion, four hundred twenty-four million, four hundred fifty-five thousand, four hundred twenty-eight".