2255761730 has 8 divisors (see below), whose sum is σ = 4060371132. Its totient is φ = 902304688.

The previous prime is 2255761667. The next prime is 2255761747. The reversal of 2255761730 is 371675522.

It can be written as a sum of positive squares in 2 ways, for example, as 2133238969 + 122522761 = 46187^2 + 11069^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112788077 + ... + 112788096.

Almost surely, 2^2255761730 is an apocalyptic number.

2255761730 is a deficient number, since it is larger than the sum of its proper divisors (1804609402).

2255761730 is a wasteful number, since it uses less digits than its factorization.

2255761730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225576180.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 2255761730 is about 47494.8600376925. The cubic root of 2255761730 is about 1311.4882625424.

The spelling of 2255761730 in words is "two billion, two hundred fifty-five million, seven hundred sixty-one thousand, seven hundred thirty".