40889184454 has 8 divisors (see below), whose sum is σ = 61369924248. Its totient is φ = 20432543040.

The previous prime is 40889184443. The next prime is 40889184461. The reversal of 40889184454 is 45448198804.

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

It is a junction number, because it is equal to n+sod(n) for n = 40889184395 and 40889184404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6020352 + ... + 6027139.

It is an arithmetic number, because the mean of its divisors is an integer number (7671240531).

Almost surely, 2^40889184454 is an apocalyptic number.

40889184454 is a deficient number, since it is larger than the sum of its proper divisors (20480739794).

40889184454 is a wasteful number, since it uses less digits than its factorization.

40889184454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12049190.

The product of its (nonzero) digits is 5898240, while the sum is 55.

The spelling of 40889184454 in words is "forty billion, eight hundred eighty-nine million, one hundred eighty-four thousand, four hundred fifty-four".