640324026224424 has 96 divisors (see below), whose sum is σ = 1836229934185920. Its totient is φ = 200885244369408.

The previous prime is 640324026224371. The next prime is 640324026224453. The reversal of 640324026224424 is 424422620423046.

640324026224424 is a `hidden beast` number, since 6 + 4 + 0 + 324 + 0 + 2 + 62 + 244 + 24 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 640324026224424.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 412480717 + ... + 414030179.

It is an arithmetic number, because the mean of its divisors is an integer number (19127395147770).

Almost surely, 2^{640324026224424} is an apocalyptic number.

It is an amenable number.

640324026224424 is an abundant number, since it is smaller than the sum of its proper divisors (1195905907961496).

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

640324026224424 is a wasteful number, since it uses less digits than its factorization.

640324026224424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887119 (or 1887112 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 45.

The spelling of 640324026224424 in words is "six hundred forty trillion, three hundred twenty-four billion, twenty-six million, two hundred twenty-four thousand, four hundred twenty-four".