1791746040 has 64 divisors (see below), whose sum is σ = 6143132160. Its totient is φ = 409541760.

The previous prime is 1791746017. The next prime is 1791746057. The reversal of 1791746040 is 406471971.

It is a self number, because there is not a number n which added to its sum of digits gives 1791746040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1065676 + ... + 1067355.

It is an arithmetic number, because the mean of its divisors is an integer number (95986440).

Almost surely, 2^1791746040 is an apocalyptic number.

1791746040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1791746040 is an abundant number, since it is smaller than the sum of its proper divisors (4351386120).

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

1791746040 is a wasteful number, since it uses less digits than its factorization.

1791746040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133052 (or 2133048 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 1791746040 is about 42329.0212502014. The cubic root of 1791746040 is about 1214.5782071604.

The spelling of 1791746040 in words is "one billion, seven hundred ninety-one million, seven hundred forty-six thousand, forty".