2740435940438 has 16 divisors (see below), whose sum is σ = 4698811641600. Its totient is φ = 1174242181416.

The previous prime is 2740435940323. The next prime is 2740435940453. The reversal of 2740435940438 is 8340495340472.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2740435940438.

It is a congruent number.

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, 19123106 + ... + 19265877.

It is an arithmetic number, because the mean of its divisors is an integer number (293675727600).

Almost surely, 2^{2740435940438} is an apocalyptic number.

2740435940438 is a deficient number, since it is larger than the sum of its proper divisors (1958375701162).

2740435940438 is a wasteful number, since it uses less digits than its factorization.

2740435940438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38394091.

The product of its (nonzero) digits is 11612160, while the sum is 53.

The spelling of 2740435940438 in words is "two trillion, seven hundred forty billion, four hundred thirty-five million, nine hundred forty thousand, four hundred thirty-eight".