53226408640 has 56 divisors (see below), whose sum is σ = 132256072800. Its totient is φ = 20364883968.

The previous prime is 53226408623. The next prime is 53226408643. The reversal of 53226408640 is 4680462235.

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 = 53226408593 and 53226408602.

It is not an unprimeable number, because it can be changed into a prime (53226408643) by changing a digit.

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, 3608565 + ... + 3623284.

Almost surely, 2^53226408640 is an apocalyptic number.

It is an amenable number.

53226408640 is an abundant number, since it is smaller than the sum of its proper divisors (79029664160).

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

53226408640 is a wasteful number, since it uses less digits than its factorization.

53226408640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7231889 (or 7231879 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 53226408640 in words is "fifty-three billion, two hundred twenty-six million, four hundred eight thousand, six hundred forty".