2355678890 has 32 divisors (see below), whose sum is σ = 4348270080. Its totient is φ = 918356544.

The previous prime is 2355678887. The next prime is 2355678953. The reversal of 2355678890 is 988765532.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200252 + ... + 211688.

It is an arithmetic number, because the mean of its divisors is an integer number (135883440).

Almost surely, 2^2355678890 is an apocalyptic number.

2355678890 is a deficient number, since it is larger than the sum of its proper divisors (1992591190).

2355678890 is a wasteful number, since it uses less digits than its factorization.

2355678890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11966.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The square root of 2355678890 is about 48535.3365085687. The cubic root of 2355678890 is about 1330.5729700033.

The spelling of 2355678890 in words is "two billion, three hundred fifty-five million, six hundred seventy-eight thousand, eight hundred ninety".