46640404658 has 8 divisors (see below), whose sum is σ = 70681850652. Its totient is φ = 23079787776.

The previous prime is 46640404633. The next prime is 46640404661. The reversal of 46640404658 is 85640404664.

It can be written as a sum of positive squares in 2 ways, for example, as 42719515969 + 3920888689 = 206687^2 + 62617^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120207035 + ... + 120207422.

Almost surely, 2^46640404658 is an apocalyptic number.

46640404658 is a deficient number, since it is larger than the sum of its proper divisors (24041445994).

46640404658 is a wasteful number, since it uses less digits than its factorization.

46640404658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240414556.

The product of its (nonzero) digits is 2211840, while the sum is 47.

The spelling of 46640404658 in words is "forty-six billion, six hundred forty million, four hundred four thousand, six hundred fifty-eight".