19599252480 has 616 divisors, whose sum is σ = 72490820400. Its totient is φ = 5080154112.

The previous prime is 19599252473. The next prime is 19599252487. The reversal of 19599252480 is 8425299591.

19599252480 is a `hidden beast` number, since 1 + 9 + 599 + 2 + 5 + 2 + 48 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (19599252473) and next prime (19599252487).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19599252487) 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 55 ways as a sum of consecutive naturals, for example, 220216276 + ... + 220216364.

Almost surely, 2^19599252480 is an apocalyptic number.

19599252480 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 19599252480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36245410200).

19599252480 is an abundant number, since it is smaller than the sum of its proper divisors (52891567920).

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

19599252480 is an frugal number, since it uses more digits than its factorization.

19599252480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The spelling of 19599252480 in words is "nineteen billion, five hundred ninety-nine million, two hundred fifty-two thousand, four hundred eighty".