1780540055276 has 12 divisors (see below), whose sum is σ = 3251420970672. Its totient is φ = 851562635088.

The previous prime is 1780540055221. The next prime is 1780540055297. The reversal of 1780540055276 is 6725500450871.

It is a super-2 number, since 2×1780540055276² (a number of 25 digits) contains 22 as substring.

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, 9676848035 + ... + 9676848218.

It is an arithmetic number, because the mean of its divisors is an integer number (270951747556).

Almost surely, 2^{1780540055276} is an apocalyptic number.

It is an amenable number.

1780540055276 is a deficient number, since it is larger than the sum of its proper divisors (1470880915396).

1780540055276 is a wasteful number, since it uses less digits than its factorization.

1780540055276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19353696280 (or 19353696278 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 50.

The spelling of 1780540055276 in words is "one trillion, seven hundred eighty billion, five hundred forty million, fifty-five thousand, two hundred seventy-six".