1778148480048 has 40 divisors (see below), whose sum is σ = 4691285357568. Its totient is φ = 580105177152.

The previous prime is 1778148480023. The next prime is 1778148480067. The reversal of 1778148480048 is 8400848418771.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1778148479973 and 1778148480000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394090936 + ... + 394095447.

Almost surely, 2^{1778148480048} is an apocalyptic number.

It is an amenable number.

1778148480048 is an abundant number, since it is smaller than the sum of its proper divisors (2913136877520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1778148480048 is a wasteful number, since it uses less digits than its factorization.

1778148480048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788186441 (or 788186435 counting only the distinct ones).

The product of its (nonzero) digits is 12845056, while the sum is 60.

The spelling of 1778148480048 in words is "one trillion, seven hundred seventy-eight billion, one hundred forty-eight million, four hundred eighty thousand, forty-eight".