1628340464 has 10 divisors (see below), whose sum is σ = 3154909680. Its totient is φ = 814170224.

The previous prime is 1628340457. The next prime is 1628340479. The reversal of 1628340464 is 4640438261.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 50885624 + ... + 50885655.

It is an arithmetic number, because the mean of its divisors is an integer number (315490968).

Almost surely, 2^1628340464 is an apocalyptic number.

It is an amenable number.

1628340464 is a deficient number, since it is larger than the sum of its proper divisors (1526569216).

1628340464 is a wasteful number, since it uses less digits than its factorization.

1628340464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101771287 (or 101771281 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 1628340464 is about 40352.7008265866. The cubic root of 1628340464 is about 1176.4723872341.

The spelling of 1628340464 in words is "one billion, six hundred twenty-eight million, three hundred forty thousand, four hundred sixty-four".