5478154802090 has 8 divisors (see below), whose sum is σ = 9860678643780. Its totient is φ = 2191261920832.

The previous prime is 5478154802077. The next prime is 5478154802111. The reversal of 5478154802090 is 902084518745.

It can be written as a sum of positive squares in 2 ways, for example, as 5478094724089 + 60078001 = 2340533^2 + 7751^2 .

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, 273907740095 + ... + 273907740114.

Almost surely, 2^{5478154802090} is an apocalyptic number.

5478154802090 is a deficient number, since it is larger than the sum of its proper divisors (4382523841690).

5478154802090 is a wasteful number, since it uses less digits than its factorization.

5478154802090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547815480216.

The product of its (nonzero) digits is 3225600, while the sum is 53.

The spelling of 5478154802090 in words is "five trillion, four hundred seventy-eight billion, one hundred fifty-four million, eight hundred two thousand, ninety".