1640006152254 has 40 divisors (see below), whose sum is σ = 3693295148400. Its totient is φ = 543921627744.

The previous prime is 1640006152243. The next prime is 1640006152273. The reversal of 1640006152254 is 4522516000461.

1640006152254 is a `hidden beast` number, since 1 + 640 + 0 + 0 + 6 + 1 + 5 + 2 + 2 + 5 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25403679 + ... + 25468154.

It is an arithmetic number, because the mean of its divisors is an integer number (92332378710).

Almost surely, 2^{1640006152254} is an apocalyptic number.

1640006152254 is an abundant number, since it is smaller than the sum of its proper divisors (2053288996146).

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

1640006152254 is a wasteful number, since it uses less digits than its factorization.

1640006152254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50872046 (or 50872037 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 1640006152254 in words is "one trillion, six hundred forty billion, six million, one hundred fifty-two thousand, two hundred fifty-four".