64562270448 has 160 divisors (see below), whose sum is σ = 181412069440. Its totient is φ = 19667681280.

The previous prime is 64562270447. The next prime is 64562270477. The reversal of 64562270448 is 84407226546.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 64562270397 and 64562270406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64562270447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27577758 + ... + 27580098.

It is an arithmetic number, because the mean of its divisors is an integer number (1133825434).

Almost surely, 2^64562270448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64562270448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90706034720).

64562270448 is an abundant number, since it is smaller than the sum of its proper divisors (116849798992).

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

64562270448 is a wasteful number, since it uses less digits than its factorization.

64562270448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787 (or 2781 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 48.

The spelling of 64562270448 in words is "sixty-four billion, five hundred sixty-two million, two hundred seventy thousand, four hundred forty-eight".