64874040224 has 96 divisors (see below), whose sum is σ = 149731255296. Its totient is φ = 27087943680.

The previous prime is 64874040199. The next prime is 64874040227. The reversal of 64874040224 is 42204047846.

64874040224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (64874040227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7315217 + ... + 7324079.

It is an arithmetic number, because the mean of its divisors is an integer number (1559700576).

Almost surely, 2^64874040224 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 64874040224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74865627648).

64874040224 is an abundant number, since it is smaller than the sum of its proper divisors (84857215072).

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

64874040224 is a wasteful number, since it uses less digits than its factorization.

64874040224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9718 (or 9710 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 41.

The spelling of 64874040224 in words is "sixty-four billion, eight hundred seventy-four million, forty thousand, two hundred twenty-four".