19552606240 has 48 divisors (see below), whose sum is σ = 46394835480. Its totient is φ = 7786874880.

The previous prime is 19552606237. The next prime is 19552606273. The reversal of 19552606240 is 4260625591.

It can be written as a sum of positive squares in 4 ways, for example, as 19424554384 + 128051856 = 139372^2 + 11316^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 19552606193 and 19552606202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230181 + ... + 303460.

Almost surely, 2^19552606240 is an apocalyptic number.

19552606240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19552606240 is an abundant number, since it is smaller than the sum of its proper divisors (26842229240).

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

19552606240 is a wasteful number, since it uses less digits than its factorization.

19552606240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533885 (or 533877 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 19552606240 in words is "nineteen billion, five hundred fifty-two million, six hundred six thousand, two hundred forty".