695193840 has 240 divisors, whose sum is σ = 2642080896. Its totient is φ = 168480000.

The previous prime is 695193833. The next prime is 695193841. The reversal of 695193840 is 48391596.

It is a happy number.

695193840 is a `hidden beast` number, since 69 + 519 + 38 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695193841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 212215 + ... + 215465.

Almost surely, 2^695193840 is an apocalyptic number.

695193840 is a gapful number since it is divisible by the number (60) 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 695193840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1321040448).

695193840 is an abundant number, since it is smaller than the sum of its proper divisors (1946887056).

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

695193840 is a wasteful number, since it uses less digits than its factorization.

695193840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290 (or 3272 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 695193840 is about 26366.5287817718. The cubic root of 695193840 is about 885.8672337821.

The spelling of 695193840 in words is "six hundred ninety-five million, one hundred ninety-three thousand, eight hundred forty".