2938140655 has 32 divisors (see below), whose sum is σ = 3710266560. Its totient is φ = 2230609920.

The previous prime is 2938140649. The next prime is 2938140683. The reversal of 2938140655 is 5560418392.

It is not a de Polignac number, because 2938140655 - 2¹⁷ = 2938009583 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2899929 + ... + 2900941.

It is an arithmetic number, because the mean of its divisors is an integer number (115945830).

Almost surely, 2^2938140655 is an apocalyptic number.

2938140655 is a deficient number, since it is larger than the sum of its proper divisors (772125905).

2938140655 is a wasteful number, since it uses less digits than its factorization.

2938140655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 2938140655 is about 54204.6183917939. The cubic root of 2938140655 is about 1432.2676874851.

The spelling of 2938140655 in words is "two billion, nine hundred thirty-eight million, one hundred forty thousand, six hundred fifty-five".