1640032300461 has 16 divisors (see below), whose sum is σ = 2188196596800. Its totient is φ = 1092611589888.

The previous prime is 1640032300429. The next prime is 1640032300483.

1640032300461 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1640032300461 - 2⁵ = 1640032300429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1640032300421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68013675 + ... + 68037783.

It is an arithmetic number, because the mean of its divisors is an integer number (136762287300).

Almost surely, 2^{1640032300461} is an apocalyptic number.

It is an amenable number.

1640032300461 is a deficient number, since it is larger than the sum of its proper divisors (548164296339).

1640032300461 is a wasteful number, since it uses less digits than its factorization.

1640032300461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38588.

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 1640032300461 in words is "one trillion, six hundred forty billion, thirty-two million, three hundred thousand, four hundred sixty-one".