19086595340 has 96 divisors (see below), whose sum is σ = 42099341760. Its totient is φ = 7259033600.

The previous prime is 19086595337. The next prime is 19086595349. The reversal of 19086595340 is 4359568091.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (19086595349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25080560 + ... + 25081320.

It is an arithmetic number, because the mean of its divisors is an integer number (438534810).

Almost surely, 2^19086595340 is an apocalyptic number.

19086595340 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 19086595340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21049670880).

19086595340 is an abundant number, since it is smaller than the sum of its proper divisors (23012746420).

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

19086595340 is a wasteful number, since it uses less digits than its factorization.

19086595340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403 (or 1401 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 19086595340 in words is "nineteen billion, eighty-six million, five hundred ninety-five thousand, three hundred forty".