1682793040 has 40 divisors (see below), whose sum is σ = 3916186848. Its totient is φ = 672481920.

The previous prime is 1682793023. The next prime is 1682793061. The reversal of 1682793040 is 403972861.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1682792984 and 1682793002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80475 + ... + 99205.

Almost surely, 2^1682793040 is an apocalyptic number.

1682793040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1682793040 is an abundant number, since it is smaller than the sum of its proper divisors (2233393808).

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

1682793040 is a wasteful number, since it uses less digits than its factorization.

1682793040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19867 (or 19861 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 1682793040 is about 41021.8605136335. The cubic root of 1682793040 is about 1189.4428199204.

The spelling of 1682793040 in words is "one billion, six hundred eighty-two million, seven hundred ninety-three thousand, forty".