2755280715840 has 112 divisors (see below), whose sum is σ = 9720018111360. Its totient is φ = 734741521920.

The previous prime is 2755280715827. The next prime is 2755280715841. The reversal of 2755280715840 is 485170825572.

It is a happy number.

2755280715840 is a `hidden beast` number, since 2 + 7 + 5 + 52 + 8 + 0 + 7 + 1 + 584 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2755280715841) 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, 159440476 + ... + 159457755.

Almost surely, 2^{2755280715840} is an apocalyptic number.

2755280715840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2755280715840 is an abundant number, since it is smaller than the sum of its proper divisors (6964737395520).

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

2755280715840 is a wasteful number, since it uses less digits than its factorization.

2755280715840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318898257 (or 318898241 counting only the distinct ones).

The product of its (nonzero) digits is 6272000, while the sum is 54.

The spelling of 2755280715840 in words is "two trillion, seven hundred fifty-five billion, two hundred eighty million, seven hundred fifteen thousand, eight hundred forty".