1069190640 has 120 divisors (see below), whose sum is σ = 4103674848. Its totient is φ = 244385280.

The previous prime is 1069190611. The next prime is 1069190723. The reversal of 1069190640 is 460919601.

1069190640 is a `hidden beast` number, since 1 + 0 + 6 + 9 + 1 + 9 + 0 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×1069190640² = 2286337249327219200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1069190595 and 1069190604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101031 + ... + 111110.

Almost surely, 2^1069190640 is an apocalyptic number.

1069190640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1069190640 is an abundant number, since it is smaller than the sum of its proper divisors (3034484208).

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

1069190640 is a wasteful number, since it uses less digits than its factorization.

1069190640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212167 (or 212158 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1069190640 is about 32698.4806986502. The cubic root of 1069190640 is about 1022.5511686224.

The spelling of 1069190640 in words is "one billion, sixty-nine million, one hundred ninety thousand, six hundred forty".