1695824340 has 144 divisors (see below), whose sum is σ = 5579207424. Its totient is φ = 383712000.

The previous prime is 1695824327. The next prime is 1695824357. The reversal of 1695824340 is 434285961.

It is a Smith number, since the sum of its digits (42) 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 (42).

It is a junction number, because it is equal to n+sod(n) for n = 1695824292 and 1695824301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 294085 + ... + 299795.

It is an arithmetic number, because the mean of its divisors is an integer number (38744496).

Almost surely, 2^1695824340 is an apocalyptic number.

1695824340 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 1695824340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2789603712).

1695824340 is an abundant number, since it is smaller than the sum of its proper divisors (3883383084).

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

1695824340 is a wasteful number, since it uses less digits than its factorization.

1695824340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5838 (or 5829 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 1695824340 is about 41180.3878077903. The cubic root of 1695824340 is about 1192.5052182131.

The spelling of 1695824340 in words is "one billion, six hundred ninety-five million, eight hundred twenty-four thousand, three hundred forty".