1780540055274 has 32 divisors (see below), whose sum is σ = 3619583081856. Its totient is φ = 583763526720.

The previous prime is 1780540055221. The next prime is 1780540055297. The reversal of 1780540055274 is 4725500450871.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13622259 + ... + 13752345.

It is an arithmetic number, because the mean of its divisors is an integer number (113111971308).

Almost surely, 2^{1780540055274} is an apocalyptic number.

1780540055274 is an abundant number, since it is smaller than the sum of its proper divisors (1839043026582).

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

1780540055274 is a wasteful number, since it uses less digits than its factorization.

1780540055274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167550.

The product of its (nonzero) digits is 1568000, while the sum is 48.

The spelling of 1780540055274 in words is "one trillion, seven hundred eighty billion, five hundred forty million, fifty-five thousand, two hundred seventy-four".