2640266541804 has 24 divisors (see below), whose sum is σ = 6166597344768. Its totient is φ = 879235216720.

The previous prime is 2640266541799. The next prime is 2640266541811. The reversal of 2640266541804 is 4081456620462.

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, 106690932 + ... + 106715675.

It is an arithmetic number, because the mean of its divisors is an integer number (256941556032).

Almost surely, 2^{2640266541804} is an apocalyptic number.

It is an amenable number.

2640266541804 is an abundant number, since it is smaller than the sum of its proper divisors (3526330802964).

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

2640266541804 is a wasteful number, since it uses less digits than its factorization.

2640266541804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213407645 (or 213407643 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 48.

The spelling of 2640266541804 in words is "two trillion, six hundred forty billion, two hundred sixty-six million, five hundred forty-one thousand, eight hundred four".