2451408428 has 12 divisors (see below), whose sum is σ = 4902816912. Its totient is φ = 1050603600.

The previous prime is 2451408419. The next prime is 2451408431. The reversal of 2451408428 is 8248041542.

2451408428 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2451408391 and 2451408400.

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 3 ways as a sum of consecutive naturals, for example, 43775123 + ... + 43775178.

It is an arithmetic number, because the mean of its divisors is an integer number (408568076).

Almost surely, 2^2451408428 is an apocalyptic number.

2451408428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2451408428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2451408428 is a wasteful number, since it uses less digits than its factorization.

2451408428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87550312 (or 87550310 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 38.

The square root of 2451408428 is about 49511.6999102232. The cubic root of 2451408428 is about 1348.3580271282.

The spelling of 2451408428 in words is "two billion, four hundred fifty-one million, four hundred eight thousand, four hundred twenty-eight".