2742897999440 has 20 divisors (see below), whose sum is σ = 6377237848884. Its totient is φ = 1097159199744.

The previous prime is 2742897999421. The next prime is 2742897999449. The reversal of 2742897999440 is 449997982472.

It can be written as a sum of positive squares in 2 ways, for example, as 310021785616 + 2432876213824 = 556796^2 + 1559768^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742897999449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17143112417 + ... + 17143112576.

Almost surely, 2^{2742897999440} is an apocalyptic number.

2742897999440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2742897999440 is an abundant number, since it is smaller than the sum of its proper divisors (3634339849444).

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

2742897999440 is a wasteful number, since it uses less digits than its factorization.

2742897999440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34286225006 (or 34286225000 counting only the distinct ones).

The product of its (nonzero) digits is 658409472, while the sum is 74.

The spelling of 2742897999440 in words is "two trillion, seven hundred forty-two billion, eight hundred ninety-seven million, nine hundred ninety-nine thousand, four hundred forty".