1780540054764 has 48 divisors (see below), whose sum is σ = 4230775530240. Its totient is φ = 582657652800.

The previous prime is 1780540054763. The next prime is 1780540054807. The reversal of 1780540054764 is 4674500450871.

It is not an unprimeable number, because it can be changed into a prime (1780540054763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1196512 + ... + 2234439.

It is an arithmetic number, because the mean of its divisors is an integer number (88141156880).

Almost surely, 2^{1780540054764} is an apocalyptic number.

It is an amenable number.

1780540054764 is an abundant number, since it is smaller than the sum of its proper divisors (2450235475476).

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

1780540054764 is a wasteful number, since it uses less digits than its factorization.

1780540054764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3431750 (or 3431748 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 51.

The spelling of 1780540054764 in words is "one trillion, seven hundred eighty billion, five hundred forty million, fifty-four thousand, seven hundred sixty-four".