1628072336 has 40 divisors (see below), whose sum is σ = 3463998528. Its totient is φ = 735120000.

The previous prime is 1628072333. The next prime is 1628072357. The reversal of 1628072336 is 6332708261.

It is a self number, because there is not a number n which added to its sum of digits gives 1628072336.

It is not an unprimeable number, because it can be changed into a prime (1628072333) 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 7 ways as a sum of consecutive naturals, for example, 4055 + ... + 57206.

Almost surely, 2^1628072336 is an apocalyptic number.

1628072336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1628072336 is an abundant number, since it is smaller than the sum of its proper divisors (1835926192).

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

1628072336 is a wasteful number, since it uses less digits than its factorization.

1628072336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61431 (or 61425 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 1628072336 is about 40349.3783843072. The cubic root of 1628072336 is about 1176.4078097270.

The spelling of 1628072336 in words is "one billion, six hundred twenty-eight million, seventy-two thousand, three hundred thirty-six".