2540287689288 has 32 divisors (see below), whose sum is σ = 6351781397760. Its totient is φ = 846620939840.

The previous prime is 2540287689283. The next prime is 2540287689347. The reversal of 2540287689288 is 8829867820452.

It is not an unprimeable number, because it can be changed into a prime (2540287689283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8704920 + ... + 8992007.

It is an arithmetic number, because the mean of its divisors is an integer number (198493168680).

Almost surely, 2^{2540287689288} is an apocalyptic number.

It is an amenable number.

2540287689288 is an abundant number, since it is smaller than the sum of its proper divisors (3811493708472).

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

2540287689288 is a wasteful number, since it uses less digits than its factorization.

2540287689288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17702917 (or 17702913 counting only the distinct ones).

The product of its (nonzero) digits is 247726080, while the sum is 69.

The spelling of 2540287689288 in words is "two trillion, five hundred forty billion, two hundred eighty-seven million, six hundred eighty-nine thousand, two hundred eighty-eight".