4640365257782 has 32 divisors (see below), whose sum is σ = 7094338691328. Its totient is φ = 2276008613856.

The previous prime is 4640365257779. The next prime is 4640365257799. The reversal of 4640365257782 is 2877525630464.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28681988 + ... + 28843320.

It is an arithmetic number, because the mean of its divisors is an integer number (221698084104).

Almost surely, 2^{4640365257782} is an apocalyptic number.

4640365257782 is a deficient number, since it is larger than the sum of its proper divisors (2453973433546).

4640365257782 is a wasteful number, since it uses less digits than its factorization.

4640365257782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162644.

The product of its (nonzero) digits is 67737600, while the sum is 59.

The spelling of 4640365257782 in words is "four trillion, six hundred forty billion, three hundred sixty-five million, two hundred fifty-seven thousand, seven hundred eighty-two".