1790909040 has 80 divisors (see below), whose sum is σ = 5555894400. Its totient is φ = 477225216.

The previous prime is 1790909033. The next prime is 1790909051. The reversal of 1790909040 is 409090971.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 1790909040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607891 + ... + 610829.

It is an arithmetic number, because the mean of its divisors is an integer number (69448680).

Almost surely, 2^1790909040 is an apocalyptic number.

1790909040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1790909040 is an abundant number, since it is smaller than the sum of its proper divisors (3764985360).

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

1790909040 is a wasteful number, since it uses less digits than its factorization.

1790909040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5494 (or 5488 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 1790909040 is about 42319.1332614457. The cubic root of 1790909040 is about 1214.3890508334.

The spelling of 1790909040 in words is "one billion, seven hundred ninety million, nine hundred nine thousand, forty".