614406420 has 72 divisors (see below), whose sum is σ = 1961799840. Its totient is φ = 155217600.

The previous prime is 614406413. The next prime is 614406431. The reversal of 614406420 is 24604416.

614406420 is a `hidden beast` number, since 6 + 14 + 4 + 0 + 642 + 0 = 666.

It is a congruent number.

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, 86406 + ... + 93245.

It is an arithmetic number, because the mean of its divisors is an integer number (27247220).

Almost surely, 2^614406420 is an apocalyptic number.

614406420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

614406420 is an abundant number, since it is smaller than the sum of its proper divisors (1347393420).

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

614406420 is a wasteful number, since it uses less digits than its factorization.

614406420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179685 (or 179680 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 614406420 is about 24787.2229182698. Note that the first 3 decimals coincide. The cubic root of 614406420 is about 850.1298163896.

The spelling of 614406420 in words is "six hundred fourteen million, four hundred six thousand, four hundred twenty".