40454117678846 has 8 divisors (see below), whose sum is σ = 60685913942640. Its totient is φ = 20225479697968.

The previous prime is 40454117678657. The next prime is 40454117678917. The reversal of 40454117678846 is 64887671145404.

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

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, 789538706 + ... + 789589941.

It is an arithmetic number, because the mean of its divisors is an integer number (7585739242830).

Almost surely, 2^{40454117678846} is an apocalyptic number.

40454117678846 is a deficient number, since it is larger than the sum of its proper divisors (20231796263794).

40454117678846 is a wasteful number, since it uses less digits than its factorization.

40454117678846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579141458.

The product of its (nonzero) digits is 144506880, while the sum is 65.

The spelling of 40454117678846 in words is "forty trillion, four hundred fifty-four billion, one hundred seventeen million, six hundred seventy-eight thousand, eight hundred forty-six".