1640332312362 has 48 divisors (see below), whose sum is σ = 3879668388960. Its totient is φ = 517999674672.

The previous prime is 1640332312361. The next prime is 1640332312369. The reversal of 1640332312362 is 2632132330461.

1640332312362 is a `hidden beast` number, since 1 + 6 + 4 + 0 + 332 + 312 + 3 + 6 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1640332312361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88811013 + ... + 88829480.

It is an arithmetic number, because the mean of its divisors is an integer number (80826424770).

Almost surely, 2^{1640332312362} is an apocalyptic number.

1640332312362 is an abundant number, since it is smaller than the sum of its proper divisors (2239336076598).

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

1640332312362 is a wasteful number, since it uses less digits than its factorization.

1640332312362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177640529 (or 177640517 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 36.

The spelling of 1640332312362 in words is "one trillion, six hundred forty billion, three hundred thirty-two million, three hundred twelve thousand, three hundred sixty-two".