1810742928 has 40 divisors (see below), whose sum is σ = 4679313600. Its totient is φ = 603379584.

The previous prime is 1810742911. The next prime is 1810742939. The reversal of 1810742928 is 8292470181.

It is a self number, because there is not a number n which added to its sum of digits gives 1810742928.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232278 + ... + 239946.

It is an arithmetic number, because the mean of its divisors is an integer number (116982840).

Almost surely, 2^1810742928 is an apocalyptic number.

It is an amenable number.

1810742928 is an abundant number, since it is smaller than the sum of its proper divisors (2868570672).

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

1810742928 is a wasteful number, since it uses less digits than its factorization.

1810742928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12599 (or 12593 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 1810742928 is about 42552.8251471039. The cubic root of 1810742928 is about 1218.8556249179.

The spelling of 1810742928 in words is "one billion, eight hundred ten million, seven hundred forty-two thousand, nine hundred twenty-eight".