640226092213120 has 1024 divisors, whose sum is σ = 1921844536934400. Its totient is φ = 199006278451200.

The previous prime is 640226092213091. The next prime is 640226092213121. The reversal of 640226092213120 is 21312290622046.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (640226092213121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 269342065372 + ... + 269342067748.

It is an arithmetic number, because the mean of its divisors is an integer number (1876801305600).

Almost surely, 2^{640226092213120} 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 640226092213120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (960922268467200).

640226092213120 is an abundant number, since it is smaller than the sum of its proper divisors (1281618444721280).

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

640226092213120 is a wasteful number, since it uses less digits than its factorization.

640226092213120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3547 (or 3535 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 640226092213120 in words is "six hundred forty trillion, two hundred twenty-six billion, ninety-two million, two hundred thirteen thousand, one hundred twenty".