64224654420 has 48 divisors (see below), whose sum is σ = 179846065728. Its totient is φ = 17124952320.

The previous prime is 64224654379. The next prime is 64224654437. The reversal of 64224654420 is 2445642246.

64224654420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673552 + ... + 762968.

It is an arithmetic number, because the mean of its divisors is an integer number (3746793036).

Almost surely, 2^64224654420 is an apocalyptic number.

64224654420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64224654420 is an abundant number, since it is smaller than the sum of its proper divisors (115621411308).

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

64224654420 is a wasteful number, since it uses less digits than its factorization.

64224654420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101400 (or 101398 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 39.

The spelling of 64224654420 in words is "sixty-four billion, two hundred twenty-four million, six hundred fifty-four thousand, four hundred twenty".