640263014611336 has 32 divisors (see below), whose sum is σ = 1211465542557600. Its totient is φ = 317218175781120.

The previous prime is 640263014611307. The next prime is 640263014611459. The reversal of 640263014611336 is 633116410362046.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789543585 + ... + 790354096.

It is an arithmetic number, because the mean of its divisors is an integer number (37858298204925).

Almost surely, 2^{640263014611336} is an apocalyptic number.

It is an amenable number.

640263014611336 is a deficient number, since it is larger than the sum of its proper divisors (571202527946264).

640263014611336 is a wasteful number, since it uses less digits than its factorization.

640263014611336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579898149 (or 1579898145 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 46.

The spelling of 640263014611336 in words is "six hundred forty trillion, two hundred sixty-three billion, fourteen million, six hundred eleven thousand, three hundred thirty-six".