8641240303478 has 8 divisors (see below), whose sum is σ = 13002749605872. Its totient is φ = 4306990434856.

The previous prime is 8641240303457. The next prime is 8641240303513. The reversal of 8641240303478 is 8743030421468.

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

It is a super-3 number, since 3×8641240303478³ (a number of 40 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent 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, 6814857650 + ... + 6814858917.

It is an arithmetic number, because the mean of its divisors is an integer number (1625343700734).

Almost surely, 2^{8641240303478} is an apocalyptic number.

8641240303478 is a deficient number, since it is larger than the sum of its proper divisors (4361509302394).

8641240303478 is a wasteful number, since it uses less digits than its factorization.

8641240303478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13629716886.

The product of its (nonzero) digits is 3096576, while the sum is 50.

The spelling of 8641240303478 in words is "eight trillion, six hundred forty-one billion, two hundred forty million, three hundred three thousand, four hundred seventy-eight".