2355205478 has 16 divisors (see below), whose sum is σ = 3657275280. Its totient is φ = 1136172576.

The previous prime is 2355205471. The next prime is 2355205561. The reversal of 2355205478 is 8745025532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2355205471) 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, 70301 + ... + 98247.

It is an arithmetic number, because the mean of its divisors is an integer number (228579705).

Almost surely, 2^2355205478 is an apocalyptic number.

2355205478 is a deficient number, since it is larger than the sum of its proper divisors (1302069802).

2355205478 is a wasteful number, since it uses less digits than its factorization.

2355205478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29431.

The product of its (nonzero) digits is 336000, while the sum is 41.

The square root of 2355205478 is about 48530.4592807445. The cubic root of 2355205478 is about 1330.4838306027.

The spelling of 2355205478 in words is "two billion, three hundred fifty-five million, two hundred five thousand, four hundred seventy-eight".