1794740640 has 384 divisors, whose sum is σ = 7199539200. Its totient is φ = 372556800.

The previous prime is 1794740593. The next prime is 1794740641. The reversal of 1794740640 is 460474971.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1794740592 and 1794740601.

It is not an unprimeable number, because it can be changed into a prime (1794740641) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1810545 + ... + 1811535.

It is an arithmetic number, because the mean of its divisors is an integer number (18748800).

Almost surely, 2^1794740640 is an apocalyptic number.

1794740640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1794740640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3599769600).

1794740640 is an abundant number, since it is smaller than the sum of its proper divisors (5404798560).

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

1794740640 is a wasteful number, since it uses less digits than its factorization.

1794740640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041 (or 1019 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 1794740640 is about 42364.3793770191. The cubic root of 1794740640 is about 1215.2544844507.

The spelling of 1794740640 in words is "one billion, seven hundred ninety-four million, seven hundred forty thousand, six hundred forty".