619055428 has 12 divisors (see below), whose sum is σ = 1083921552. Its totient is φ = 309363560.

The previous prime is 619055401. The next prime is 619055429. The reversal of 619055428 is 824550916.

It is not an unprimeable number, because it can be changed into a prime (619055429) 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 3 ways as a sum of consecutive naturals, for example, 32350 + ... + 47797.

It is an arithmetic number, because the mean of its divisors is an integer number (90326796).

Almost surely, 2^619055428 is an apocalyptic number.

It is an amenable number.

619055428 is a deficient number, since it is larger than the sum of its proper divisors (464866124).

619055428 is a wasteful number, since it uses less digits than its factorization.

619055428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82082 (or 82080 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 619055428 is about 24880.8245040232. The cubic root of 619055428 is about 852.2686468694.

The spelling of 619055428 in words is "six hundred nineteen million, fifty-five thousand, four hundred twenty-eight".