1690050880 has 112 divisors (see below), whose sum is σ = 4668414336. Its totient is φ = 570746880.

The previous prime is 1690050853. The next prime is 1690050881. The reversal of 1690050880 is 880500961.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1690050881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144450 + ... + 155710.

Almost surely, 2^1690050880 is an apocalyptic number.

1690050880 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 1690050880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2334207168).

1690050880 is an abundant number, since it is smaller than the sum of its proper divisors (2978363456).

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

1690050880 is a wasteful number, since it uses less digits than its factorization.

1690050880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11352 (or 11342 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 1690050880 is about 41110.2284109442. The cubic root of 1690050880 is about 1191.1503787497.

The spelling of 1690050880 in words is "one billion, six hundred ninety million, fifty thousand, eight hundred eighty".