19531250080 has 48 divisors (see below), whose sum is σ = 46290117384. Its totient is φ = 7787520000.

The previous prime is 19531249999. The next prime is 19531250093. The reversal of 19531250080 is 8005213591.

It can be written as a sum of positive squares in 4 ways, for example, as 15624000016 + 3907250064 = 124996^2 + 62508^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144921 + ... + 245080.

Almost surely, 2^19531250080 is an apocalyptic number.

19531250080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19531250080 is an abundant number, since it is smaller than the sum of its proper divisors (26758867304).

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

19531250080 is a wasteful number, since it uses less digits than its factorization.

19531250080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390329 (or 390321 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 34.

It can be divided in two parts, 195312500 and 80, that multiplied together give a 6-th power (15625000000 = 50⁶).

The spelling of 19531250080 in words is "nineteen billion, five hundred thirty-one million, two hundred fifty thousand, eighty".