119749001640 has 128 divisors (see below), whose sum is σ = 380536704000. Its totient is φ = 30042206208.

The previous prime is 119749001597. The next prime is 119749001663. The reversal of 119749001640 is 46100947911.

It is a junction number, because it is equal to n+sod(n) for n = 119749001592 and 119749001601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5535966 + ... + 5557554.

It is an arithmetic number, because the mean of its divisors is an integer number (2972943000).

Almost surely, 2^119749001640 is an apocalyptic number.

119749001640 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 119749001640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190268352000).

119749001640 is an abundant number, since it is smaller than the sum of its proper divisors (260787702360).

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

119749001640 is a wasteful number, since it uses less digits than its factorization.

119749001640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24339 (or 24335 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The spelling of 119749001640 in words is "one hundred nineteen billion, seven hundred forty-nine million, one thousand, six hundred forty".