19250072240 has 40 divisors (see below), whose sum is σ = 51150193440. Its totient is φ = 6600024576.

The previous prime is 19250072227. The next prime is 19250072269. The reversal of 19250072240 is 4227005291.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 19250072197 and 19250072206.

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 7 ways as a sum of consecutive naturals, for example, 17187005 + ... + 17188124.

It is an arithmetic number, because the mean of its divisors is an integer number (1278754836).

Almost surely, 2^19250072240 is an apocalyptic number.

19250072240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19250072240 is an abundant number, since it is smaller than the sum of its proper divisors (31900121200).

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

19250072240 is a wasteful number, since it uses less digits than its factorization.

19250072240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34375149 (or 34375143 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 19250072240 in words is "nineteen billion, two hundred fifty million, seventy-two thousand, two hundred forty".